Admiralty Pattern Number

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Admiralty Pattern Numbers were numeric part numbers the British Admiralty used to name various pieces of naval equipment.

I do not know what precise authority created or managed the use of these numbers, or even whether they were unique; if there were a Pattern 50 light bulb, could there also be a Pattern 50 torpedo director? The numbers appeared after 1885, as no mention is found in ARTS up to that date, and they are found in 1890's edition and I have not seen 1886-1889.

Here is a list of numbers I have seen referenced in primary sources. — TONY LOVELL, Editor.

Patt No. Description Notes
189 Binnacle[1] Suitable for subs, introduced 1909
120 Turret Fire Gong Made by Siemens, in use in Dreadnought c 1911.[2]
3778 Vickers Range Clock[3]
3840 Range and Order Transmitter Mark I Used in "M" Class destroyers and later.[4]
3841 Range and Order Receiver Mark I Used in "M" Class destroyers and later.[5]
3568 Roll of paper 46-in wide Used by Dreyer Table Mark IV*.[6]
12001 Torpedo Sighting Bar Made by P.A.M. Ltd, used on T.D.S. Mark III[7]
4280 Range and Deflection Transmitter Type T.G. 37 Mark II Barr and Stroud[8]
4281 Range and Deflection Receiver Type R.E. 28 Mark II Barr and Stroud[9]
4608 B Torpedo Deflection Sight Mark III Made by Muirhead & Co., Ltd.[10]
1380 Buzzer[11] Used in Renown and Repulse
1388 Push[12] for Captain's bells in Renown and Repulse
139 Captain's Bell[13] Used in Renown and Repulse
872 Firing Key[14] Used in Renown and Repulse
1390 Abney Levels[15] 1 per Patt 1123 or 1124
1391 Tripod for Abney Levels Patt 1390[16] 1 per Patt 1123 or 1124
1392 14-foot Leveling Staff[17] 1 per Patt 1123 or 1124
1393 Plane Table[18] 1 per Patt 1123 or 1124
1394 Sight Vane and Compass[19] w/ scales for 1⁄5000 and 1⁄2500, 1 per Patt 1123 or 1124
1395 Surveyor's Measuring Chain[20] 1 per Patt 1123 or 1124
1396 Protractors, horn[21] 1 per Patt 1123 or 1124
1397 Paper, 24 sheets, 26-in by 20-in[22] 1 per Patt 1123 or 1124
1398 Ivory Rule[23] w/ scales for 1⁄5000 and 1⁄2500,1 per Patt 1123 or 1124
1407 Artist's Cloth, 9ft by 2ft[24] 1 per Patt 1123 or 1124
1291 Battery.[25] for night sights, using Patt 743 within
743 14-foot Leveling Staff[26] spare cells for Patt 1291, 3 provided per Patt 1123 or 1124
1123 "D.P.F."[27] A surveying kit, maybe?
1124 "D.P.F."[28] A surveying kit, maybe?
1072 Circuit Breaker[29] Used in Revenge class
1072A Circuit Breaker[30] Used in destroyer director night sight circuits
2305 Connection Box, 5-way[31][32] Used in Renown, Revenge classes
2306 Connection Box, 3-way[33][34] Used in Queen Elizabeth, Renown, Revenge classes
369 Connection, electrical[35] Used in Queen Elizabeth
3225 Telaupad[36] Used in Revenge class
2348 Plug Socket, 2 pins[37] Used in Revenge class
324 Plug Socket, 2 pins[38] Used in Revenge class
2801, modified Grouping Switch[39] Used in Revenge class
2802, modified Grouping Switch[40] Used in Revenge class
343 Binoculars, Service[41]
331 Sighting Telescope, for HA Gun Ottway and Company[42]
1132 Sighting Telescope Ottway and Company. Power 6. No crosshairs![43]
3229 Sighting Telescope Ottway and Company[44]
1306 Sighting Telescope[45] Ottway and Company
1663 Sighting Telescope[46] Ottway and Company
1663A Sighting Telescope[47] Ottway and Company
1663B Sighting Telescope[48] Ottway and Company
2110A Sighting Telescope. 7-21 power[49] Ross, Ltd[50], Ottway and Company[51]
2134 Sighting Telescope[52], 5-12 power[53] Ross, Ltd
1697 Sighting Telescope, 6 power[54] Ottway and Company
2108 Sighting Telescope, for boresighting[55]
2109 Sighting Telescope, for boresighting[56]
3341 Sighting Telescope, for Torpedo Director[57] Ottway and Company[58]
2393 Sighting Telescope, for Torpedo Director[59] Ottway and Company[Inference]
1192 Torpedo Director Elliott Brothers
1192A Torpedo Director Elliott Brothers
1193 Torpedo Director Elliott Brothers
1193A Torpedo Director Elliott Brothers
1895 Torpedo Director Elliott Brothers
1895A Torpedo Director Elliott Brothers
2006 Torpedo Director Elliott Brothers
2389 Torpedo Director Elliott Brothers
2390 Torpedo Director Elliott Brothers
2380 Torpedo Director Elliott Brothers
2387 Torpedo Director Elliott Brothers
2388 Torpedo Director Elliott Brothers
2391 Torpedo Director Elliott Brothers
2392 Torpedo Director Elliott Brothers
2006A Torpedo Director Elliott Brothers
2389A Torpedo Director Elliott Brothers
2390A Torpedo Director Elliott Brothers
2380A Torpedo Director Elliott Brothers
2388A Torpedo Director Elliott Brothers
2391A Torpedo Director Elliott Brothers
2392A Torpedo Director Elliott Brothers
2236 Torpedo Director Elliott Brothers
3340 Submarine Torpedo Director Elliott Brothers
3603 S.P. Change Over Switch[60] as four used in Renown
2311 Battery[61] C.A.V. and Essex were manufacturers in competitive trial
1223 Battery, Single Cell Test[62]
156 Galvanometer, 20 ohm[63]
934 Galvanometer, 1000 ohm[64] obsoleted in 1905 for Patt 1499
705 Portable Resistance Bridge, apparently[65] replaced by Patt 1498
1498 Portable Resistance Bridge[66] made by Siemens, replaced Patt 705
1499 Galvanometer, 1000 ohm[67] replaced Patt 934
1453 Battery Cell, or "boat's cell", 1.5V[68] widely used in 3- and 10-cell batteries
1451 Battery Cell, small 1.5V[69] AKA Leclanché cell
1539 Battery Box, watertight steel[70] hold 3x Patt 1453, used to power night sights
1492 a steel torpedo sling for 18-in Mark VIII and VIII* [71] replaced by 1493 from 1916
1493 Mining Telephone,[72] uses 3x Patt 1451 also designates a steel torpedo sling for 18-in Mark VIII and VIII* [73], replacing 1492
1493A Mining Telephone[74] uses 3x Patt 1451
1684 Mining Telephone[75] uses dry cells, supersedes Patterns 1493 and 1493A
610 Wire[76]
1020 Dropping Gear, port[77] for 14-in torpedoes
1021 Dropping Gear, starboard[78] for 14-in torpedoes
616 Pendant, wire guard[79] For searchlights
629 Switch and fusible cut-out, small[80] For searchlights
628 Switch and fusible cut-out, large[81] For secondary batteries
625 Bracket for globes and cabin lights[82]
618 Bracket, with guard[83] for internal lighting
620 Bracket without guard for cabins lights[84]
660 Cable, armoured 7 cores[85] Mining. By 1912, for Torpedo School use only.[86]
662 Cable, armoured 4 cores[87] Mining. By 1912, for Torpedo School use only.[88]
1100 Cable, armoured 1 core[89] Burning searchlights remotely, first trialled in 1892 to replace Patt 776
1112 Watertight shutter[90] 2 indicators
1113 Watertight shutter[91] 3 indicators
1114 Watertight shutter[92] 4 indicators
1115 Watertight shutter[93] 5 indicators
1116 Watertight shutter[94] 6 indicators
1117 Watertight electric Bell[95]
841 Cable, armoured 1 core[96] Mining. By 1912, general torpedo work.[97]
776 Cable, armoured [98] For searchlights
1080 Light bracket and parts[99]
632 Cutouts, fusible, large[100] for internal lighting
627 Cutouts, fusible, small[101] for internal lighting
1081 Cutouts, fusible, watertight[102] for internal lighting
614 Lamps, bulkhead[103] for internal lighting
1083 Lamps, bulkhead, watertight[104] for internal lighting
623 Bracket for globe[105] for internal lighting
616 Pendants with wire guard[106] for internal lighting
622 Pendants without wire guard, for cabins[107] for internal lighting
1084 Pendants with other parts[108] for internal lighting
1085 Pendants with other parts[109] for internal lighting
628 Switch and fusible cutout, large[110] for internal lighting
1086 Switch, watertight[111] for internal lighting
1049 Cable, armoured 1 core[112] Shore telegraphs; for Hecla and Vulcan and Torpedo Schools only
1207 Cable, armoured 1 core[113] Submarine telegraph work
842 Cable, armoured 1 core[114] Telephones. By 1912, "worn, suitable for telephone work".[115]
716 Cable, armoured 1 core[116] Protect cables of submarine mines. By 1912, "old for targets".[117]
36 Cable, braided 9 cores[118] Fire control. By 1912, superseded by the ten core Patt 2551.
42 Cable, braided 17 cores[119] Fire control. Two cores heavier. In 1912, improved type(s) used same Pattern number
43 Cable, braided 3 cores[120] Fire control. By 1912, superseded by Patt 2547.
46 Cable, braided 8 cores[121] Fire control. By 1912, superseded by Patt 2550.
50 Cable, braided 5 cores[122] Fire control. By 1912, superseded by Patt 2549.
52 Cable, braided 2 cores[123] Fire control. By 1912, superseded by Patt 2546.
737 Cable, braided 28 cores[124] Flexible leads. In 1912, an improved type used same Pattern number.
1500 Cable, braided 4 cores[Inference][125] Fire control. By 1912, superseded by Patt 2548.
2546 Cable, braided 2 cores[126] Fire control. Superseding Patt 52.
2547 Cable, braided 3 cores[127] Fire control. Superseding Patt 43.
2548 Cable, braided 4 cores[128] Fire control. Superseding Patt 1500.
2549 Cable, braided 5 cores[129] Fire control. Superseding Patt 50.
2550 Cable, braided 8 cores[130] Fire control. Superseding Patt 46.
2551 Cable, braided 10 cores[131] Fire control. Superseding Patt 36.
2552 Cable, braided 12 cores[132] Fire control.
2553 Cable, braided 15 cores[133] Fire control.
2554 Cable, braided 17 cores[134] Fire control.
2555 Cable, braided 20 cores[135] Fire control.
2556 Cable, braided 22 cores[136] Fire control.
2557 Cable, braided 25 cores[137] Fire control.
2558 Cable, braided 28 cores[138] Fire control.
2559 Cable, braided 2 cores[139] Fire control.
2560 Cable, braided 3 cores[140] Fire control.
2561 Cable, braided 4 cores[141] Fire control.
2562 Cable, braided 5 cores[142] Fire control.
2563 Cable, braided 8 cores[143] Fire control.
2564 Cable, braided 10 cores[144] Fire control.
2565 Cable, braided 12 cores[145] Fire control.
2566 Cable, braided 15 cores[146] Fire control.
2567 Cable, braided 17 cores[147] Fire control.
2568 Cable, braided 20 cores[148] Fire control.
2569 Cable, braided 22 cores[149] Fire control.
2570 Cable, braided 25 cores[150] Fire control.
2571 Cable, braided 28 cores[151] Fire control.
342 Cable, braided 4 cores[Inference][152] Used in Vickers F.T.P. receivers, replaced from 1912 by Patt 2572.
2572 Cable, braided 4 cores[153] Vickers F.T.P. receivers, replacing Patt 342 c1912.
372 Cable, lead and paper covered 4 cores[154] Control of circuit breakers in ring mains.
373 Cable, lead and paper covered 7 cores[155] Control of circuit breakers in ring mains.
374 Cable, lead and paper covered 12 cores[156] Control of circuit breakers in ring mains.
3740 Change Over Switch[157] Five used in Calypso, one at each gun to select between local and director firing circuits
376 Cable, lead and paper covered 19 cores[158] Control of circuit breakers in ring mains.
377 Cable, lead and paper covered 27 cores[159] Control of circuit breakers in ring mains.
379 Cable, lead and paper covered 37 cores[160] Control of circuit breakers in ring mains.
1680 Cable, braided 2 cores[161] Portable lamps, superseding Patt 1388
1478 Cable, braided 2 cores[162] Compass lights, superseding Patt `679
1502 Cable, braided 1 core[163] QF gun circuits, superseding Patt 1389
1510 Cable, braided 1 core[164] for illuminating night sights
600 Cable, braided 1 core[165] General torpedo work, telegraphy.
611 Cable, braided 1 core[166] Circuit breakers, etc
546 Cable, braided 1 core[167] Yardarm reflectors, arc lights
726 Cable, braided 1 core[168] Portable lamps in cabins, pear shaped bell pushes
1042 Cable, braided 1 core[169] Battery connections, QF guns
1200 Cable, braided 1 core[170] Searchlight connections
991 Cable, braided 1 core[171] Telegraph instruments, night sights
992 Cable, braided 1 core[172] Night sights for B&S RFs
902 Cable, braided 1 core[173] Diving lamps
1454 Cable, braided 1 core[174] Rewinding searchlight resistances, superseded by Patt 2107 by 1908?[175]
2007 Cable, braided 1 core[176] W/T aerials. Superseding Patt 1816. Replaced by Patt 2007A by 1908?[177]
2007A Cable, braided 1 core[178] W/T aerials. Possibly superseding Patt 2007 of 1905.[179]
2107 Cable, braided 1 core[180] W/T aerials. Possibly superseding Patt 2007 of 1905.[181]
733 Wire, unarmoured copper[182] Connections on test-table
104 Wire, unarmoured copper[183] Bell circuits
271 Wire, unarmoured copper[184] Magnetic dropping apparatus
272 Wire, unarmoured copper[185] Magnetic dropping apparatus
6 Wire, unarmoured copper[186] Electric bells, etc
2078 Wire, unarmoured copper[187] W/T apparatus, etc, superseding Patt 1803, disused by 1908?[188]
2079 Wire, unarmoured copper[189] W/T apparatus, etc, superseding Patt 1804, disused by 1908?[190]
2080 Wire, unarmoured copper[191] W/T apparatus, etc, superseding Patt 1805, disused by 1908?[192]
1871 Wire, unarmoured copper[193] Connecting W/T instruments
1911 Wire, unarmoured copper[194] Shunt coil of coaling arc lamp
1912 Wire, unarmoured copper[195] Series coil of coaling arc lamp
785A Cable, lead cased 4 cores Bell circuits & Graham telephones. By 1912, Navyphones and fire control.[196]
786A Cable, lead cased 2 cores Bell circuits & Graham telephones.[197]
816A Cable, lead cased 1 core[198] Main leads for internal lighting. Purchasing suspended by 1912 in favor of Patt 242.[199]
1746 Cable, lead cased 1 core[200] Main leads for internal lighting. Purchasing suspended by 1912 in favor of Patt 243.[201]
817A Cable, lead cased 1 core[202] Main leads for internal lighting. Purchasing suspended by 1912 in favor of Patt 244.[203]
818A Cable, lead cased 1 core[204] Main leads for internal lighting. Purchasing suspended by 1912 in favor of Patt 245.[205]
819A Cable, lead cased 1 core[206] Main leads for twin searchlights. Purchasing suspended by 1912 in favor of Patt 247.[207]
820A Cable, lead cased 1 core[208] Main lead for 1 searchlight. Purchasing suspended by 1912 in favor of Patt 248.[209]
821A Cable, lead cased 1 core[210] Sub-mains for internal lighting. Purchasing suspended by 1912 in favor of Patt 249.[211]
822A Cable, lead cased 1 core[212] Sub-mains for internal lighting. Purchasing suspended by 1912 in favor of Patt 250.[213]
823A Cable, lead cased 1 core[214] Sub-mains for internal lighting. Purchasing suspended by 1912 in favor of Patt 251.[215]
824A Cable, lead cased 1 core[216] Distributing boxes, etc. Purchasing suspended by 1912 in favor of Patt 252.[217]
825A Cable, lead cased 1 core[218] Distributing boxes, gun and torpedo circuits. Purchasing suspended by 1912 in favor of Patt 253.[219]
1334 Cable, lead cased 1 core[220] Richards and Evershed helm indicators
1932 Cable, lead cased 1 core[221] in 8ft lengths for temporary repairs in action. Disused by 1908?[222]
1933 Cable, lead cased 1 core[223] in 8ft lengths for temporary repairs in action. Disused by 1908?[224]
1934 Cable, lead cased 1 core[225] in 8ft lengths for temporary repairs in action. Disused by 1908?[226]
1935 Cable, lead cased 1 core[227] in 8ft lengths for temporary repairs in action. Disused by 1908?[228]
1936 Cable, lead cased 1 core[229] in 8ft lengths for temporary repairs in action. Disused by 1908?[230]
1937 Connection, gunmetal[231]
798A Wire, lead cased copper[232] Branch leads for internal lighting. Purchasing suspended by 1912 in favor of Patt 254.[233]
799A Wire, lead cased copper[234] Branch leads for internal lighting. Purchasing suspended by 1912 in favor of Patt 255.[235]
493 Junction Box, 3-way[236] triangular stamped steel box in halves
494 Junction Box, disconnector[237] works with Pattern 811 somehow
667 Junction Box, multiple[238] connects multi-core cables to 1-7 single cores
666 Junction Box, large straight[239] connects 2 lengths of 4- or 7-core cables
190 Junction Box, small straight[240] connects 2 lengths of Pattern 841
1547 Firing Key, pistol grip[241] Main circuits of all guns, aux circuits for guns larger than 6-in
1389A Cable, braided 1 core[242] For aux circuits of guns 6-in and smaller, superseding Patt 1502
1548 Firing Key, pistol grip, hand-held[243] For aux circuits of guns 6-in and smaller
204 Wire Reel[244] For storing wire for countermining
2144 Night Sight Lamp, for telescopes and torpedo directors[245] for Ross and Ottway? Unstated. Unsuitable for Elswick sights. 0.25 cp
2333 Firing Key, pistol grip[246] Suitable for fore bridge (handheld?). Supersedes Mark IV. Padlocked safety when stowed.
2335 Connection, 6-way[247] Used in Calypso firing circuits
2343 Firing Key, pistol grip[248] Used in Invincible class for torpedos
2145 Switch, single watertight rheostat[249] for Patt 2144. 14 steps of intensity. Used with Patts 2391 and 2392
1928 Switch, double watertight rheostat[250] for Patt 2144. 14 steps of intensity. May have superseded Patt 1138 c1912
1511 Night Sight Lamp[251] for Elswick night sights, 0.25 cp
1513 Night Sight, fore[252] Elswick, for 6-pdr and 3-pdr only
1514 Night Sight, rear[253] Elswick, for 6-pdr and 3-pdr only
1512 Night Sight Lamp[254] as in spotting top of Renown
1778 Dial Lamp Switch[255] for Grenfell night sights, 0.25 cp
1138 Switch, double watertight rheostat[256] used with to power up fore and rear night sights to desired intensity
1641 Night Sight Lamp[257] for Combined Day and Night Sights, 0.25 cp
848A Cable?[258] for electrical torpedo bridge firing
1517 Distributor Box, aluminum[259] Circular, for internal lighting
1518 Distributor Box, gunmetal[260] Circular, for internal lighting
1519 Sectional Box, aluminum[261] Circular, for internal lighting
1520 Sectional Box, gunmetal[262] Circular, for internal lighting
1541 Battery Terminal Box, for bell circuits[263] Connect 2-6 (2-3?) stations to one battery
1542 Battery Terminal Box, for bell circuits[264] Connect 2-6 bells to a button and ???
1543 Battery Terminal Box, for bell circuits[265] 5 terminals, supports shutter
1544 Battery Terminal Box, for bell circuits[266] for communication with 2 stations
1545 Battery Terminal Box, for bell circuits[267] for communication with 3 stations
1546 Battery Terminal Box, for bell circuits[268] for communication with 4 stations
1297 Bell, watertight[269]
1300 Shutter, for use with bell circuits[270]
1335 Battery Box, for telegraphy (and ???)[271] holds ten Pattern 1451, superseded by Pattern 1870
1870 Battery Box, for telegraphy[272] supersedes Pattern 1335, it hold the instruments as well as batteries
1379 Switchboard, for power distribution[273] aka "The Portsmouth Switchboard", in 1905. Superseded by Patts 1741-1743
1741 Switchboard, for power distribution from 4 dynamos[274] aka "Clarke Chapman". superseded Pattern 1379
1742 Switchboard, for power distribution from 3 dynamos[275] aka "Clarke Chapman". superseded Pattern 1379
1743 Switchboard, for power distribution from 2 dynamos[276] aka "Clarke Chapman". superseded Pattern 1379
241 Cable, lead covered 1 core[277] Electric lighting and power. Not mentioned in 1905.
242 Cable, lead covered 1 core[278] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 816A.[279]
243 Cable, lead covered 1 core[280] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 1746.[281]
244 Cable, lead covered 1 core[282] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 817A.[283]
245 Cable, lead covered 1 core[284] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 818A.[285]
246 Cable, lead covered 1 core[286] Electric lighting and power. Not mentioned in 1905.
247 Cable, lead covered 1 core[287] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 819A.[288]
248 Cable, lead covered 1 core[289] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 820A.[290]
249 Cable, lead covered 1 core[291] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 821A.[292]
250 Cable, lead covered 1 core[293] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 822A.[294]
251 Cable, lead covered 1 core[295] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 823A, except seen in Revenge secondary battery firing circuits.[296][297]
252 Cable, lead covered 1 core[298] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 824A, except seen in Revenge secondary battery firing circuits.[299][300]
253 Cable, lead covered 1 core[301] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 825A.[302]Used in Revenge class.[303]
254 Cable, lead covered 1 core[304] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 798A.[305]Used in Revenge class.[306]
255 Cable, lead covered 1 core[307] Electric lighting and power. Not mentioned in 1905. By 1912, was replacing Patt 799A.[308]
6876 Dreyer Table Mark III*[309]
6878 Dreyer Table Mark IV*[310]
6879 Dreyer Table Mark V[311]
6880 Dreyer Turret Control Table[312]
35 Cable, lead covered 9 cores[313] Fire control, already being superseded by Patt 2525 in 1912.
40 Cable, lead covered 17 cores[314] Fire control, already being superseded by Patt 2528 in 1912.
45 Cable, lead covered 8 cores[315] Fire control, already being superseded by Patt 2524 in 1912.
47 Cable, lead covered 8 cores[316] Fire control
48 Cable, lead covered 5 cores[317] Fire control. By 1912, being superseded by Patt 2539
49 Cable, lead covered 5 cores[318] Fire control, already being superseded by Patts 2523 and 2538 in 1912
51 Cable, lead covered 2 cores[319] Fire control, already being superseded by Patt 2520 in 1912
273 Cable, coaxial 1 core[320] W/T. Old and new versions.
751 Cable, coaxial 1 core[321] W/T. Several versions.
322 Cable, coaxial 1 core[322] W/T
2520 Cable, lead covered 2 cores[323] Fire control, superseding Patt 51
2521 Cable, lead covered 3 cores[324] Fire control
2522 Cable, lead covered 4 cores[325] Fire control, suitable for Navyphones Patt 3331
2523 Cable, lead covered 5 cores[326] Fire control, superseding Patt 49
2524 Cable, lead covered 8 cores[327] Fire control, superseding Patt 45
2525 Cable, lead covered 10 cores[328] Fire control, superseding Patt 35
2526 Cable, lead covered 12 cores[329] Fire control
2527 Cable, lead covered 15 cores[330] Fire control
2528 Cable, lead covered 17 cores[331] Fire control, superseding Patt 40
2529 Cable, lead covered 20 cores[332] Fire control
2530 Cable, lead covered 22 cores[333] Fire control
2531 Cable, lead covered 25 cores[334] Fire control
2532 Cable, lead covered 28 cores[335] Fire control
4160 Junction Box, 2-way[336] Used in Aurora firing circuits
37 Cable, lead covered 28 cores[337] Fire control, Siemens only. Two cores were heavier
38 Cable, lead covered 28 cores[338] Fire control, Siemens only
39 Cable, lead covered 2 cores[339] Fire control, Siemens only.
41 Cable, lead covered 17 cores[340] Fire control, Siemens only. Two cores were heavier
2533 Cable, lead covered 2 cores[341] Fire control
2534 Cable, lead covered 3 cores[342] Fire control
2535 Cable, lead covered 4 cores[343] Fire control
2536 Cable, lead covered 5 cores[344] Fire control
2537 Cable, lead covered 8 cores[345] Fire control
2538 Cable, lead covered 10 cores[346] Fire control, superseding Patt 48
2539 Cable, lead covered 12 cores[347] Fire control, superseding Patt 49
2540 Cable, lead covered 15 cores[348] Fire control
2541 Cable, lead covered 17 cores[349] Fire control
2542 Cable, lead covered 20 cores[350] Fire control
2543 Cable, lead covered 22 cores[351] Fire control
2544 Cable, lead covered 25 cores[352] Fire control
2545 Cable, lead covered 28 cores[353] Fire control
1296 Cable, unarmoured 1 core[354] Dynamos and searchlights
20 Cable, unarmoured 1 core[355], also
Training receiver for destroyer guns[356]		 Searchlight circuits/10 inch spiral
736 Cable, unarmoured 1 core[357] Submains, electric lighting
21 Cable, unarmoured 1 core[358], also
Training receiver for destroyer guns[359]		 temporary lighting/ 6 inch spiral
22 Cable, unarmoured 1 core[360] Submains, electric lighting
550 Cable, unarmoured 3 cores[361] light, QF control
551 Cable, unarmoured 4 cores[362] light, QF control
796 Cable, unarmoured 10 cores[363] electric lifts
816 Cable, unarmoured 1 core[364] high tension
519 Cable, unarmoured 1 core[365] Aerial wire
1960 Wire, L.S.G. 1[366] For rewinding motors. Silk covered version for W/T
1961 Wire, L.S.G. 2[367] For rewinding motors. Silk covered version for W/T
1962 Wire, L.S.G. 3[368] For rewinding motors. Silk covered version for W/T
1963 Wire, L.S.G. 4[369] For rewinding motors. Silk covered version for W/T
1964 Wire, L.S.G. 5[370] For rewinding motors. Silk covered version for W/T
1965 Wire, L.S.G. 6[371] For rewinding motors. Silk covered version for W/T
1966 Wire, L.S.G. 7[372] For rewinding motors. Silk covered version for W/T
1967 Wire, L.S.G. 8[373] For rewinding motors. Silk covered version for W/T
1968 Wire, L.S.G. 9[374] For rewinding motors. Silk covered version for W/T
1969 Wire, L.S.G. 10[375] For rewinding motors. Silk covered version for W/T
1970 Wire, L.S.G. 11[376] For rewinding motors. Silk covered version for W/T
1971 Wire, L.S.G. 12[377] For rewinding motors. Silk covered version for W/T
1972 Wire, L.S.G. 13[378] For rewinding motors. Silk covered version for W/T
1973 Wire, L.S.G. 14[379] For rewinding motors. Silk covered version for W/T
1974 Wire, L.S.G. 15[380] For rewinding motors. Silk covered version for W/T
1975 Wire, L.S.G. 16[381] For rewinding motors. Silk covered version for W/T
1976 Wire, L.S.G. 17[382] For rewinding motors. Silk covered version for W/T
1803 Wire, L.S.G. 18[383] For rewinding motors. Silk covered version for W/T
1978 Wire, L.S.G. 19[384] For rewinding motors. Silk covered version for W/T
207B Wire, L.S.G. 20[385] For rewinding motors. Silk covered version for W/T
207C Wire, L.S.G. 21[386] For rewinding motors. Silk covered version for W/T
207D Wire, L.S.G. 22[387] For rewinding motors. Silk covered version for W/T
207E Wire, L.S.G. 23[388] For rewinding motors. Silk covered version for W/T
207F Wire, L.S.G. 24[389] For rewinding motors. Silk covered version for W/T
1535 Anti-torpedo Net, unfitted[390] Sub-types A, B, C, CA, D, E and F.
1536 Anti-torpedo Net, fitted[391] Sub-types A, B, C, CA, D, E and F.
602 Circuit Breaker, automatic[392] Gun circuits. "Newitt's Circuit Breaker"
663 Lamp, night sight 4 volt[393] A component of the Patt 2144?
664 Lamp, night sight 20 volt[394] A component of the Patt 2144?
2237 Bell, high voltage[395] re: sparking of Patt 1297 was excessive
70 Searchlight Projector, single 24-in[396]
543 Searchlight Projector, lightweight single 24-in[Inference][397]
328 Push (tumbler switch?)[398]
585 Electrical Fuse, 3 5 or 7 amps[399] White, marked "D.B."
584 Electrical Fuse, 10 15 20 25 or 30 amps[400] Green, marked "S.B."
583 Electrical Fuse, 35 40 50 or 60 amps[401] Purple, marked "J.B."
1752 Lamp, incandescent 15 cp.[402] on bayonet joint, stern lamp for battleships and cruisers
926 Lamp, incandescent 8 cp.[403] for shore use
920 Lamp, incandescent 8 cp.[404] for shore use
925 Lamp, incandescent 16 cp.[405] for shore use
921 Lamp, incandescent 25 cp.[406] for shore use
691 Lamp, incandescent 6 cp.[407] Masthead and yardarm flashing lamp
694A Lamp, incandescent 16 cp.[408] Internal lighting
913 Lamp, incandescent 2.5 cp.[409] Speed and shaded stern lights
1234 Lamp, incandescent 8 cp.[410] Examination of boiler tubes
1749 Lamp, incandescent 8 cp.[411] Compasses, telegraphs, etc, where 8 cp. suffices
1457 Lamp, incandescent 8 cp.[412] Compasses, telegraphs, etc, where 8 cp. suffices
1750 Lamp, incandescent 16 cp.[413] Internal lighting
694 Lamp, incandescent 16 cp.[414] Internal lighting
1756 Lamp, incandescent 32 cp.[415] Starboard bow lights
1570 Lamp, incandescent 32 cp.[416] Starboard bow lights
1748 Lamp, incandescent 50 cp.[417] Yardarm groups, bunker lights and divers' lamps
1748A Lamp, incandescent 50 cp.[418] Yardarm groups, bunker lights and divers' lamps
695 Lamp, incandescent 50 cp.[419] Yardarm groups, bunker lights and divers' lamps
1755 Lamp, incandescent 100 cp.[420] Examining bores of guns
911 Lamp, incandescent 100 cp.[421] Examining bores of guns
692 Lamp, incandescent 6 cp.[422] Masthead and yardarm flashing lamp
914 Lamp, incandescent 2.5 cp.[423] Speed and shaded stern lights and in T.S.
1850 Lamp, incandescent 8 cp.[424] Examining boiler tubes
928 Lamp, incandescent 8 cp.[425] Examining boiler tubes
145 Battery Box, 10 cell.[426] Wooden, for mining and torpedo work
2275 Battery Box, 30 cell.[427] Similar to Patt 1539
2277 Lamp, incandescent 8 cp.[428] Examining boiler tubes
1762 Lamp, incandescent 8 cp.[429] Compasses, telegraphs, etc, where 8 cp. suffices
1677 Lamp, incandescent 8 cp.[430] Compasses, telegraphs, etc, where 8 cp. suffices
927 Lamp, incandescent 16 cp.[431]
1760 Lamp, incandescent 16 cp.[432] Internal lighting
1676 Lamp, incandescent 16 cp.[433] Internal lighting
922 Lamp, incandescent 25 cp.[434]
1759 Lamp, incandescent 32 cp.[435] Starboard bow lights
1675 Lamp, incandescent 32 cp.[436] Starboard bow lights
1758 Lamp, incandescent 50 cp.[437] Yardarm groups, bunker lights and divers' lamps
1758A Lamp, incandescent 50 cp.[438] Yardarm groups, bunker lights and divers' lamps
1674 Lamp, incandescent 50 cp.[439] Yardarm groups, bunker lights and divers' lamps
1757 Lamp, incandescent 100 cp.[440] Examining bores of guns
1673 Lamp, incandescent 100 cp.[441] Examining bores of guns
947 Lamp, incandescent 150 cp.[442] Projector compass
697 Lamp, incandescent 6 cp.[443] Main control switchboard and flashing lamps for 220 volt ships
930 Lamp, incandescent 8 cp.[444] for shore use
919 Lamp, incandescent 16 cp.[445] for shore use
929 Lamp, incandescent 16 cp.[446] for shore use
918 Lamp, incandescent 25 cp.[447] for shore use
923 Lamp, incandescent 25 cp.[448] for shore use
915 Lamp, incandescent 2.5 cp.[449] Speed and shaded stern lights and in T.S.
916 Lamp, incandescent 8 cp.[450] Examining boiler tubes
2120 Lamp, incandescent 8 cp.[451] Compasses, telegraphs, etc, where 8 cp. suffices
2119 Lamp, incandescent 16 cp.[452] Internal lighting
917 Lamp, incandescent 16 cp.[453] Internal lighting
2118 Lamp, incandescent 32 cp.[454] Starboard bow lights
2117 Lamp, incandescent 50 cp.[455] Yardarm groups, bunker lights and divers' lamps
948 Lamp, incandescent 100 cp.[456] Examining bores of guns
936 Lamp, incandescent 150 cp.[457] Projector compass
2124 Lamp, incandescent 8 cp.[458] for shore use
2123 Lamp, incandescent 16 cp.[459] for shore use
2122 Lamp, incandescent 32 cp.[460] for shore use
2128 Lamp, incandescent 8 cp.[461] for shore use
2127 Lamp, incandescent 16 cp.[462] for shore use
696 Lamp, incandescent 5 cp.[463] Main control switchboard
1639 Navyphone, upper deck areas in use before 1902
1643 Navyphone, engine room in use before 1902
1855 Navyphone, upper deck areas deployed c1902
1856 Navyphone, engine room deployed c1902
1856A Navyphone, engine room deployed c1907
2108 Navyphone, control positions deployed c1904
2108A Navyphone, control positions
2108B Navyphone, control positions
2109 Navyphone, gun positions deployed c1905
2109A Navyphone, gun positions
2109B Navyphone, gun positions
2140 Navyphone, universal type
2140A Navyphone, upper deck areas
860 Navyphone, fire control Bellerophon class
861 Navyphone, fire control Bellerophon class
862 Navyphone, fire control Bellerophon class
863 Navyphone, general use Bellerophon class
541 Navyphone, cabins deployed c1914
2461 Navyphone, general use Lion and Orion classes
2461A Navyphone, engine rooms Lion and Orion classes
2462 Navyphone, cabins Lion and Orion classes
2463 Navyphone, T.S. Lion and Orion classes
2464 Navyphone, gun positions Lion and Orion classes
2465 Navyphone, T.S. Lion and Orion classes
2466 Navyphone, exposed positions Lion and Orion classes
3330 Navyphone, T.S. Queen Elizabeth class
3331 Navyphone, gun positions, etc Queen Elizabeth class
3332 Navyphone, T.S. Queen Elizabeth class
3333 Navyphone, gun positions, etc Queen Elizabeth class
3334 Navyphone, T.S. use Queen Elizabeth class
587 Junction Box, gun metal 5-way one pierced at Jutland and put out of action[464]
3361 Nos. 1 and 2 Battery Cell[465] weight 2.375 lbs, made by Fullers
57 Order Transmitter Barr and Stroud Mark I
53 Order Receiver Barr and Stroud Mark I
811 Rate Receiver Barr and Stroud Mark I
812 Rate Transmitter Barr and Stroud Mark I
2590 Bearing Receiver Barr and Stroud Mark I
2591 Bearing Transmitter Barr and Stroud Mark I
3120 Torpedo Command Receiver Barr and Stroud Mark I generally sited in the TCT
3121 Torpedo Command Transmitter Barr and Stroud Mark I generally sited in the CT
78 Range, Order, Deflection Receiver Barr and Stroud Mark II
80 Range, Order, Deflection Transmitter Barr and Stroud Mark II
82 Fire Gong Used in Invincible class[466]
2592 Range Receiver Barr and Stroud Mark II
2593 Range Transmitter Barr and Stroud Mark II
2594 Rate Receiver Barr and Stroud Mark II
2595 Rate Transmitter Barr and Stroud Mark II
2608 Bearing Receiver Barr and Stroud Mark II*
2607 Bearing Transmitter Barr and Stroud Mark II*
2596 Range, Order, Deflection Receiver Barr and Stroud Mark II*
2597 Range, Order, Deflection Transmitter Barr and Stroud Mark II*
2598 Range,Receiver Barr and Stroud Mark II*
2599 Range Transmitter Barr and Stroud Mark II*
2600 Order Receiver Barr and Stroud Mark II*
2601 Order Transmitter Barr and Stroud Mark II*
3141 Range, Order, Deflection Receiver Barr and Stroud Mark III
3140 Range, Order, Deflection Transmitter Barr and Stroud Mark III
3142 Range Receiver Barr and Stroud Mark III
3142A Range Receiver with controlled shutter Type R.E. 24 Mark III [467] Still in use in TSes in 1930.[468]
3132 Range Transmitter Barr and Stroud Mark III
2604 Order Receiver Barr and Stroud Mark III
2605 Order Transmitter Barr and Stroud Mark III
2960 Rate Receiver Barr and Stroud Mark III
2961 Rate Transmitter Barr and Stroud Mark III
2606 Bearing Receiver Barr and Stroud Mark III
2607 Bearing Transmitter Barr and Stroud Mark III
3133 Order Transmitter Barr and Stroud Mark III*
3134 Rate Transmitter Barr and Stroud Mark III*
3135 Rate Receiver Barr and Stroud Mark III*
3138 Bearing Transmitter Barr and Stroud Mark IV
3139 Bearing Receiver Barr and Stroud Mark IV

unknown items

Extremely heavy Ross scope VP 3-9, no crosshairs or illumination. — TONY LOVELL, Editor.

Footnotes

  1. ↑ One found here
  2. ↑ Annual Report of the Torpedo School, 1911, p. 95.
  3. ↑ Admiralty. Pamphlet on Minor Fire Control Instruments, 1946, Plate 4.
  4. ↑ Admiralty. Handbook of Fire Control in Torpedo Boat Destroyers of "M" Class and Later, and Flotilla Leaders, 1915, p. 3.
  5. ↑ Admiralty. Handbook of Fire Control in Torpedo Boat Destroyers of "M" Class and Later and Flotilla Leaders, 1915, p. 5.
  6. ↑ Admiralty. Pamphlet on the Mark IV* Dreyer Table, 1930, p. 23.
  7. ↑ Editor possesses one so stamped
  8. ↑ Annual Report of the Torpedo School, 1916, Plate 82.
  9. ↑ Annual Report of the Torpedo School, 1916, Plate 82.
  10. ↑ Editor possesses one so stamped. The "B" may refer to the "handedness" of the sight.
  11. ↑ Annual Report of the Torpedo School, 1916, Plate 121.
  12. ↑ Annual Report of the Torpedo School, 1916, Plate 121.
  13. ↑ Annual Report of the Torpedo School, 1916, Plate 121.
  14. ↑ Annual Report of the Torpedo School, 1916, Plate 121.
  15. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  16. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  17. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  18. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  19. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  20. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  21. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  22. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  23. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  24. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  25. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  26. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  27. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  28. ↑ Annual Report of the Torpedo School, 1896, p. 5.
  29. ↑ Annual Report of the Torpedo School, 1916, Plate 116.
  30. ↑ Director Firing for Destroyers and Flotilla Leaders, 1918, p. 36.
  31. ↑ Annual Report of the Torpedo School, 1916, Plate 116.
  32. ↑ Director Firing Handbook, 1918, Plate 78.
  33. ↑ Annual Report of the Torpedo School, 1916, Plates 116, 118.
  34. ↑ Director Firing Handbook, 1918, Plate 78.
  35. ↑ Annual Report of the Torpedo School, 1916, Plate 118.
  36. ↑ Annual Report of the Torpedo School, 1916, Plate 115.
  37. ↑ Annual Report of the Torpedo School, 1916, Plate 115. May be 1/2 of a 2 pin socket.
  38. ↑ Annual Report of the Torpedo School, 1916, Plate 115. May be 1/2 of a 2 pin socket.
  39. ↑ Annual Report of the Torpedo School, 1916, Plate 115.
  40. ↑ Annual Report of the Torpedo School, 1916, Plate 115.
  41. ↑ Annual Report of the Torpedo School, 1916, p. 26.
  42. ↑ Editor owns one. 1917. VP 5-15. May be "G 331"
  43. ↑ Editor owns one. 1916.
  44. ↑ Editor owns one. Pattern Number NOT clear. Power 3-9 adjustable. 1913.
  45. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  46. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  47. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  48. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  49. ↑ The Sight Manual, 1916, p. 16.
  50. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  51. ↑ The Sight Manual, 1916, p. 16.
  52. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  53. ↑ The Sight Manual, 1916, p. 16.
  54. ↑ The Sight Manual, 1916, p. 16.
  55. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  56. ↑ Manual of Gunnery for HM Fleet, Volume I, Part 1, 1907, p. 71.
  57. ↑ Handbook of Torpedo Control, 1916, p. 17.
  58. ↑ Manufacturer known, as editor owns one.
  59. ↑ Handbook of Torpedo Control, 1916, Plate 4.
  60. ↑ Director Firing Handbook, 1918, Plate 78.
  61. ↑ Annual Report of the Torpedo School, 1916, p. 156.
  62. ↑ Torpedo Drill Book, 1905, p. 16. Image on p. 17
  63. ↑ Torpedo Drill Book, 1905, p. 17.
  64. ↑ Torpedo Drill Book, 1905, p. 19.
  65. ↑ Annual Report of the Torpedo School, 1900, p. 7. Plate 1.
  66. ↑ Annual Report of the Torpedo School, 1900, p. 7. Plate 1.
  67. ↑ Torpedo Drill Book, 1905, p. 19.
  68. ↑ Torpedo Drill Book, 1905, p. 22.
  69. ↑ Torpedo Drill Book, 1905, p. 23.
  70. ↑ Torpedo Drill Book, 1905, p. 27.
  71. ↑ Annual Report of the Torpedo School, 1916, p. 58.
  72. ↑ Torpedo Drill Book, 1905, p. 28.
  73. ↑ Annual Report of the Torpedo School, 1916, p. 58.
  74. ↑ Torpedo Drill Book, 1905, p. 28.
  75. ↑ Torpedo Drill Book, 1905, p. 28.
  76. ↑ Annual Report of the Torpedo School, 1900, p. 8.
  77. ↑ Annual Report of the Torpedo School, 1891, p. 59.
  78. ↑ Annual Report of the Torpedo School, 1891, p. 59.
  79. ↑ Annual Report of the Torpedo School, 1892, p. 70.
  80. ↑ Annual Report of the Torpedo School, 1892, p. 70.
  81. ↑ Annual Report of the Torpedo School, 1892, Plate VII. and Annual Report of the Torpedo School, 1892, p. 70.
  82. ↑ Annual Report of the Torpedo School, 1892, p. 70.
  83. ↑ Annual Report of the Torpedo School, 1892, p. 70.
  84. ↑ Annual Report of the Torpedo School, 1892, p. 70.
  85. ↑ Torpedo Drill Book, 1905, p. 36.
  86. ↑ Torpedo Drill Book, 1912, p. 27.
  87. ↑ Torpedo Drill Book, 1905, p. 36.
  88. ↑ Torpedo Drill Book, 1912, p. 27.
  89. ↑ Annual Report of the Torpedo School, 1892, p. 12. and Torpedo Drill Book, 1905, pp. 36, 269.
  90. ↑ Annual Report of the Torpedo School, 1892, p. 13.
  91. ↑ Annual Report of the Torpedo School, 1892, p. 13.
  92. ↑ Annual Report of the Torpedo School, 1892, p. 13.
  93. ↑ Annual Report of the Torpedo School, 1892, p. 13.
  94. ↑ Annual Report of the Torpedo School, 1892, p. 13.
  95. ↑ Annual Report of the Torpedo School, 1892, p. 13.
  96. ↑ Torpedo Drill Book, 1905, p. 36. and Annual Report of the Torpedo School, 1892, p. 12.
  97. ↑ Torpedo Drill Book, 1912, p. 27.
  98. ↑ Annual Report of the Torpedo School, 1892, p. 12.
  99. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  100. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  101. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  102. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  103. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  104. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  105. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  106. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  107. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  108. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  109. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  110. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  111. ↑ Annual Report of the Torpedo School, 1892, p. 71.
  112. ↑ Torpedo Drill Book, 1905, p. 36.
  113. ↑ Torpedo Drill Book, 1905, p. 36. Supply provided mentioned in Torpedo Drill Book, 1908, p. 198.
  114. ↑ Torpedo Drill Book, 1905, p. 37.
  115. ↑ Torpedo Drill Book, 1912, p. 27.
  116. ↑ Torpedo Drill Book, 1905, p. 37.
  117. ↑ Torpedo Drill Book, 1912, p. 27.
  118. ↑ Torpedo Drill Book, 1912, pp. 27, 29.
  119. ↑ Torpedo Drill Book, 1912, pp. 27, 29.
  120. ↑ Torpedo Drill Book, 1912, pp. 28-29.
  121. ↑ Torpedo Drill Book, 1912, pp. 28-29.
  122. ↑ Torpedo Drill Book, 1912, pp. 28-29.
  123. ↑ Torpedo Drill Book, 1912, pp. 28-29.
  124. ↑ Torpedo Drill Book, 1912, pp. 28-29.
  125. ↑ Torpedo Drill Book, 1912, p. 29. Inferring particulars from Pattern 2548's.
  126. ↑ Torpedo Drill Book, 1912, p. 29.
  127. ↑ Torpedo Drill Book, 1912, p. 29.
  128. ↑ Torpedo Drill Book, 1912, p. 29.
  129. ↑ Torpedo Drill Book, 1912, p. 29.
  130. ↑ Torpedo Drill Book, 1912, p. 29.
  131. ↑ Torpedo Drill Book, 1912, p. 29.
  132. ↑ Torpedo Drill Book, 1912, p. 29.
  133. ↑ Torpedo Drill Book, 1912, p. 29.
  134. ↑ Torpedo Drill Book, 1912, p. 29.
  135. ↑ Torpedo Drill Book, 1912, p. 29.
  136. ↑ Torpedo Drill Book, 1912, p. 29.
  137. ↑ Torpedo Drill Book, 1912, p. 29.
  138. ↑ Torpedo Drill Book, 1912, p. 29.
  139. ↑ Torpedo Drill Book, 1912, p. 30.
  140. ↑ Torpedo Drill Book, 1912, p. 30.
  141. ↑ Torpedo Drill Book, 1912, p. 30.
  142. ↑ Torpedo Drill Book, 1912, p. 30.
  143. ↑ Torpedo Drill Book, 1912, p. 30.
  144. ↑ Torpedo Drill Book, 1912, p. 30.
  145. ↑ Torpedo Drill Book, 1912, p. 30.
  146. ↑ Torpedo Drill Book, 1912, p. 30.
  147. ↑ Torpedo Drill Book, 1912, p. 30.
  148. ↑ Torpedo Drill Book, 1912, p. 30.
  149. ↑ Torpedo Drill Book, 1912, p. 30.
  150. ↑ Torpedo Drill Book, 1912, p. 30.
  151. ↑ Torpedo Drill Book, 1912, p. 30.
  152. ↑ Torpedo Drill Book, 1912, p. 30. Inferring nature from Patt 2572.
  153. ↑ Torpedo Drill Book, 1912, p. 30.
  154. ↑ Torpedo Drill Book, 1912, p. 31.
  155. ↑ Torpedo Drill Book, 1912, p. 31.
  156. ↑ Torpedo Drill Book, 1912, p. 31.
  157. ↑ Director Firing Handbook, 1917, Plate 82.
  158. ↑ Torpedo Drill Book, 1912, p. 31.
  159. ↑ Torpedo Drill Book, 1912, p. 31.
  160. ↑ Torpedo Drill Book, 1912, p. 31.
  161. ↑ Torpedo Drill Book, 1905, p. 37.
  162. ↑ Torpedo Drill Book, 1905, p. 37.
  163. ↑ Torpedo Drill Book, 1905, p. 37.
  164. ↑ Torpedo Drill Book, 1905, p. 37.
  165. ↑ Torpedo Drill Book, 1905, p. 38. Supply provided mentioned in Torpedo Drill Book, 1908, p. 198.
  166. ↑ Torpedo Drill Book, 1905, p. 38.
  167. ↑ Torpedo Drill Book, 1905, p. 38.
  168. ↑ Torpedo Drill Book, 1905, p. 38.
  169. ↑ Torpedo Drill Book, 1905, p. 38, Torpedo Drill Book, 1912, p. 39.
  170. ↑ Torpedo Drill Book, 1905, p. 38.
  171. ↑ Torpedo Drill Book, 1905, p. 38, Torpedo Drill Book, 1912, p. 39.
  172. ↑ Torpedo Drill Book, 1905, p. 38.
  173. ↑ Torpedo Drill Book, 1905, p. 38.
  174. ↑ Torpedo Drill Book, 1905, p. 38.
  175. ↑ Missing in Torpedo Drill Books 1908, 1912, 1914, Patt 2107 first appears 1908.
  176. ↑ Torpedo Drill Book, 1905, p. 38.
  177. ↑ Missing in Torpedo Drill Book 1908, when Patt 2007A appears.
  178. ↑ Torpedo Drill Book, 1908, p. 35.
  179. ↑ Patt 2007 missing in Torpedo Drill Book 1908, when Patt 2007A appears.
  180. ↑ Torpedo Drill Book, 1908, p. 35.
  181. ↑ Patt 2007 missing in Torpedo Drill Book 1908, when Patt 2007A appears.
  182. ↑ Torpedo Drill Book, 1905, p. 38.
  183. ↑ Torpedo Drill Book, 1905, p. 38.
  184. ↑ Torpedo Drill Book, 1905, p. 38.
  185. ↑ Torpedo Drill Book, 1905, p. 38.
  186. ↑ Torpedo Drill Book, 1905, p. 39.
  187. ↑ Torpedo Drill Book, 1905, p. 39.
  188. ↑ Missing in Torpedo Drill Book 1908, et seq.
  189. ↑ Torpedo Drill Book, 1905, p. 39.
  190. ↑ Missing in Torpedo Drill Book 1908, et seq.
  191. ↑ Torpedo Drill Book, 1905, p. 39.
  192. ↑ Missing in Torpedo Drill Book 1908, et seq.
  193. ↑ Torpedo Drill Book, 1905, p. 39.
  194. ↑ Torpedo Drill Book, 1905, p. 39.
  195. ↑ Torpedo Drill Book, 1905, p. 39.
  196. ↑ Torpedo Drill Book, 1905, p. 39, Torpedo Drill Book, 1912, p. 36.
  197. ↑ Torpedo Drill Book, 1905, p. 39, Torpedo Drill Book, 1912, p. 36.
  198. ↑ Torpedo Drill Book, 1905, p. 39.
  199. ↑ Torpedo Drill Book, 1912, p. 33.
  200. ↑ Torpedo Drill Book, 1905, p. 40.
  201. ↑ Torpedo Drill Book, 1912, p. 34.
  202. ↑ Torpedo Drill Book, 1905, p. 40.
  203. ↑ Torpedo Drill Book, 1912, p. 33.
  204. ↑ Torpedo Drill Book, 1905, p. 40.
  205. ↑ Torpedo Drill Book, 1912, p. 33.
  206. ↑ Torpedo Drill Book, 1905, p. 40.
  207. ↑ Torpedo Drill Book, 1912, p. 33.
  208. ↑ Torpedo Drill Book, 1905, p. 40.
  209. ↑ Torpedo Drill Book, 1912, p. 33.
  210. ↑ Torpedo Drill Book, 1905, p. 40.
  211. ↑ Torpedo Drill Book, 1912, p. 33.
  212. ↑ Torpedo Drill Book, 1905, p. 40.
  213. ↑ Torpedo Drill Book, 1912, p. 33.
  214. ↑ Torpedo Drill Book, 1905, p. 40.
  215. ↑ Torpedo Drill Book, 1912, p. 33.
  216. ↑ Torpedo Drill Book, 1905, p. 40.
  217. ↑ Torpedo Drill Book, 1912, p. 34.
  218. ↑ Torpedo Drill Book, 1905, p. 40.
  219. ↑ Torpedo Drill Book, 1912, p. 34.
  220. ↑ Torpedo Drill Book, 1905, p. 40.
  221. ↑ Torpedo Drill Book, 1905, p. 40.
  222. ↑ Missing in Torpedo Drill Book 1908, et seq.
  223. ↑ Torpedo Drill Book, 1905, p. 40.
  224. ↑ Missing in Torpedo Drill Book 1908, et seq.
  225. ↑ Torpedo Drill Book, 1905, p. 40.
  226. ↑ Missing in Torpedo Drill Book 1908, et seq.
  227. ↑ Torpedo Drill Book, 1905, p. 41.
  228. ↑ Missing in Torpedo Drill Book 1908, et seq.
  229. ↑ Torpedo Drill Book, 1905, p. 41.
  230. ↑ Missing in Torpedo Drill Book 1908, et seq.
  231. ↑ Torpedo Drill Book, 1908, p. 307.
  232. ↑ Torpedo Drill Book, 1905, p. 41.
  233. ↑ Torpedo Drill Book, 1912, p. 34.
  234. ↑ Torpedo Drill Book, 1905, p. 41.
  235. ↑ Torpedo Drill Book, 1912, p. 34.
  236. ↑ Torpedo Drill Book, 1905, p. 52.
  237. ↑ Torpedo Drill Book, 1905, p. 53.
  238. ↑ Torpedo Drill Book, 1905, p. 53.
  239. ↑ Torpedo Drill Book, 1905, p. 53.
  240. ↑ Torpedo Drill Book, 1905, p. 53.
  241. ↑ Torpedo Drill Book, 1905, pp. 86-88. NB there is a Mark IV firing key mentioned
  242. ↑ Torpedo Drill Book, 1908, p. 163.
  243. ↑ Torpedo Drill Book, 1905, pp. 86-88. NB there is a Mark IV firing key mentioned
  244. ↑ Torpedo Drill Book, 1905, p. 89.
  245. ↑ Torpedo Drill Book, 1908, pp. 170-171.
  246. ↑ Torpedo Drill Book, 1908, pp. 180-181. Annual Report of the Torpedo School, 1906, Plate 27.
  247. ↑ Director Firing Handbook, 1917, Plate 82.
  248. ↑ Annual Report of the Torpedo School, 1913, Plate 53.
  249. ↑ Torpedo Drill Book, 1908, pp. 170, 175-176.
  250. ↑ Torpedo Drill Book, 1912, pp. 146-148.
  251. ↑ Torpedo Drill Book, 1905, p. 197.
  252. ↑ Torpedo Drill Book, 1905, p. 197.
  253. ↑ Torpedo Drill Book, 1905, p. 197.
  254. ↑ Director Firing Handbook, 1918, Plate 78.
  255. ↑ Torpedo Drill Book, 1905, p. 198.
  256. ↑ Torpedo Drill Book, 1905, pp. 199, 201-203.
  257. ↑ Torpedo Drill Book, 1905, p. 200.
  258. ↑ Torpedo Drill Book, 1905, p. 205.
  259. ↑ Torpedo Drill Book, 1908, p. 287.
  260. ↑ Torpedo Drill Book, 1908, p. 287.
  261. ↑ Torpedo Drill Book, 1908, p. 286.
  262. ↑ Torpedo Drill Book, 1908, p. 286.
  263. ↑ Torpedo Drill Book, 1905, p. 209.
  264. ↑ Torpedo Drill Book, 1905, p. 209.
  265. ↑ Torpedo Drill Book, 1905, p. 210.
  266. ↑ Torpedo Drill Book, 1905, p. 210.
  267. ↑ Torpedo Drill Book, 1905, p. 210.
  268. ↑ Torpedo Drill Book, 1905, p. 210.
  269. ↑ Torpedo Drill Book, 1905, p. 211.
  270. ↑ Torpedo Drill Book, 1905, p. 213.
  271. ↑ Torpedo Drill Book, 1905, p. 217.
  272. ↑ Torpedo Drill Book, 1905, p. 217.
  273. ↑ Torpedo Drill Book, 1905, pp. 255-257.
  274. ↑ Torpedo Drill Book, 1905, p. 257, Torpedo Drill Book, 1912, p. 284.
  275. ↑ Torpedo Drill Book, 1905, p. 257, Torpedo Drill Book, 1912, p. 284.
  276. ↑ Torpedo Drill Book, 1905, p. 257, Torpedo Drill Book, 1912, p. 284.
  277. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  278. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  279. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  280. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  281. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  282. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  283. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  284. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  285. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  286. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  287. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  288. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  289. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  290. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  291. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  292. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  293. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  294. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  295. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  296. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  297. ↑ Director Firing Handbook, 1918, Plate 80.
  298. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  299. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  300. ↑ Director Firing Handbook, 1918, Plate 80.
  301. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  302. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  303. ↑ Annual Report of the Torpedo School, 1916, Plate 115.
  304. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  305. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  306. ↑ Annual Report of the Torpedo School, 1916, Plate 115.
  307. ↑ Torpedo Drill Book, 1908, p. 37, Torpedo Drill Book, 1912, pp. 32-33.
  308. ↑ Torpedo Drill Book, 1912, pp. 33-34.
  309. ↑ Pamphlet on the Mark III* Dreyer Table, 1930, p. 1
  310. ↑ Pamphlet on the Mark IV* Dreyer Table, 1930, p. 1
  311. ↑ Pamphlet on the Mark V Dreyer Table, 1930, p. 1
  312. ↑ Turret Dreyer Table as Fitted in the Turrets of H.M. Battleships, and in the Transmitting Stations of Certain Cruisers, 1930, p. 1
  313. ↑ Torpedo Drill Book, 1912, pp. 34, 37.
  314. ↑ Torpedo Drill Book, 1912, pp. 34, 37.
  315. ↑ Torpedo Drill Book, 1912, pp. 35, 37.
  316. ↑ Torpedo Drill Book, 1912, p. 35.
  317. ↑ Torpedo Drill Book, 1912, pp. 35, 38.
  318. ↑ Torpedo Drill Book, 1912, pp. 35, 37-38.
  319. ↑ Torpedo Drill Book, 1912, pp. 35, 37.
  320. ↑ Torpedo Drill Book, 1912, p. 35.
  321. ↑ Torpedo Drill Book, 1912, p. 36.
  322. ↑ Torpedo Drill Book, 1912, p. 36.
  323. ↑ Torpedo Drill Book, 1912, p. 37.
  324. ↑ Torpedo Drill Book, 1912, p. 37.
  325. ↑ Torpedo Drill Book, 1912, p. 37, Annual Report of the Torpedo School, 1916, Plate 115.
  326. ↑ Torpedo Drill Book, 1912, p. 37.
  327. ↑ Torpedo Drill Book, 1912, p. 37.
  328. ↑ Torpedo Drill Book, 1912, p. 37.
  329. ↑ Torpedo Drill Book, 1912, p. 37.
  330. ↑ Torpedo Drill Book, 1912, p. 37.
  331. ↑ Torpedo Drill Book, 1912, p. 37.
  332. ↑ Torpedo Drill Book, 1912, p. 37.
  333. ↑ Torpedo Drill Book, 1912, p. 37.
  334. ↑ Torpedo Drill Book, 1912, p. 37.
  335. ↑ Torpedo Drill Book, 1912, p. 37.
  336. ↑ Director Firing Handbook, 1918, Plate 82.
  337. ↑ Torpedo Drill Book, 1912, p. 37.
  338. ↑ Torpedo Drill Book, 1912, p. 37.
  339. ↑ Torpedo Drill Book, 1912, p. 38.
  340. ↑ Torpedo Drill Book, 1912, p. 38.
  341. ↑ Torpedo Drill Book, 1912, p. 38.
  342. ↑ Torpedo Drill Book, 1912, p. 38.
  343. ↑ Torpedo Drill Book, 1912, p. 38.
  344. ↑ Torpedo Drill Book, 1912, p. 38.
  345. ↑ Torpedo Drill Book, 1912, p. 38.
  346. ↑ Torpedo Drill Book, 1912, p. 38.
  347. ↑ Torpedo Drill Book, 1912, p. 38.
  348. ↑ Torpedo Drill Book, 1912, p. 38.
  349. ↑ Torpedo Drill Book, 1912, p. 38.
  350. ↑ Torpedo Drill Book, 1912, p. 38.
  351. ↑ Torpedo Drill Book, 1912, p. 38.
  352. ↑ Torpedo Drill Book, 1912, p. 38.
  353. ↑ Torpedo Drill Book, 1912, p. 38.
  354. ↑ Torpedo Drill Book, 1912, p. 39.
  355. ↑ Torpedo Drill Book, 1912, p. 39.
  356. ↑ Director Firing for Destroyers and Flotilla Leaders, 1918, p. 23.
  357. ↑ Torpedo Drill Book, 1912, p. 39.
  358. ↑ Torpedo Drill Book, 1912, p. 39.
  359. ↑ Director Firing for Destroyers and Flotilla Leaders, 1918, p. 23.
  360. ↑ Torpedo Drill Book, 1912, p. 39.
  361. ↑ Torpedo Drill Book, 1912, p. 40.
  362. ↑ Torpedo Drill Book, 1912, p. 40.
  363. ↑ Torpedo Drill Book, 1912, p. 40.
  364. ↑ Torpedo Drill Book, 1912, p. 40.
  365. ↑ Torpedo Drill Book, 1912, p. 41.
  366. ↑ Torpedo Drill Book, 1912, p. 41.
  367. ↑ Torpedo Drill Book, 1912, p. 41.
  368. ↑ Torpedo Drill Book, 1912, p. 41.
  369. ↑ Torpedo Drill Book, 1912, p. 41.
  370. ↑ Torpedo Drill Book, 1912, p. 41.
  371. ↑ Torpedo Drill Book, 1912, p. 41.
  372. ↑ Torpedo Drill Book, 1912, p. 41.
  373. ↑ Torpedo Drill Book, 1912, p. 41.
  374. ↑ Torpedo Drill Book, 1912, p. 41.
  375. ↑ Torpedo Drill Book, 1912, p. 41.
  376. ↑ Torpedo Drill Book, 1912, p. 41.
  377. ↑ Torpedo Drill Book, 1912, p. 41.
  378. ↑ Torpedo Drill Book, 1912, p. 41.
  379. ↑ Torpedo Drill Book, 1912, p. 41.
  380. ↑ Torpedo Drill Book, 1912, p. 41.
  381. ↑ Torpedo Drill Book, 1912, p. 41.
  382. ↑ Torpedo Drill Book, 1912, p. 41.
  383. ↑ Torpedo Drill Book, 1912, p. 41.
  384. ↑ Torpedo Drill Book, 1912, p. 41.
  385. ↑ Torpedo Drill Book, 1912, p. 41.
  386. ↑ Torpedo Drill Book, 1912, p. 41.
  387. ↑ Torpedo Drill Book, 1912, p. 41.
  388. ↑ Torpedo Drill Book, 1912, p. 41.
  389. ↑ Torpedo Drill Book, 1912, p. 41.
  390. ↑ Torpedo Drill Book, 1912, p. 115.
  391. ↑ Torpedo Drill Book, 1912, p. 115.
  392. ↑ Torpedo Drill Book, 1912, p. 132.
  393. ↑ Torpedo Drill Book, 1912, p. 142.
  394. ↑ Torpedo Drill Book, 1912, p. 142.
  395. ↑ Torpedo Drill Book, 1912, p. 167.
  396. ↑ Torpedo Drill Book, 1912, pp. 298-299.
  397. ↑ Torpedo Drill Book, 1912, p. 300.
  398. ↑ Torpedo Drill Book, 1912, p. 349.
  399. ↑ Torpedo Drill Book, 1912, p. 327.
  400. ↑ Torpedo Drill Book, 1912, p. 327.
  401. ↑ Torpedo Drill Book, 1912, p. 327.
  402. ↑ Torpedo Drill Book, 1912, p. 335.
  403. ↑ Torpedo Drill Book, 1912, p. 341.
  404. ↑ Torpedo Drill Book, 1912, p. 341.
  405. ↑ Torpedo Drill Book, 1912, p. 341.
  406. ↑ Torpedo Drill Book, 1912, p. 341.
  407. ↑ Torpedo Drill Book, 1912, p. 341.
  408. ↑ Torpedo Drill Book, 1912, p. 341.
  409. ↑ Torpedo Drill Book, 1912, p. 341.
  410. ↑ Torpedo Drill Book, 1912, p. 341.
  411. ↑ Torpedo Drill Book, 1912, p. 341.
  412. ↑ Torpedo Drill Book, 1912, p. 341.
  413. ↑ Torpedo Drill Book, 1912, p. 341.
  414. ↑ Torpedo Drill Book, 1912, p. 341.
  415. ↑ Torpedo Drill Book, 1912, p. 341.
  416. ↑ Torpedo Drill Book, 1912, p. 341.
  417. ↑ Torpedo Drill Book, 1912, p. 341.
  418. ↑ Torpedo Drill Book, 1912, p. 341.
  419. ↑ Torpedo Drill Book, 1912, p. 341.
  420. ↑ Torpedo Drill Book, 1912, p. 341.
  421. ↑ Torpedo Drill Book, 1912, p. 341.
  422. ↑ Torpedo Drill Book, 1912, p. 341.
  423. ↑ Torpedo Drill Book, 1912, p. 342.
  424. ↑ Torpedo Drill Book, 1912, p. 342.
  425. ↑ Torpedo Drill Book, 1912, p. 342.
  426. ↑ Torpedo Manual for HM Fleet, Volume I, 1907, p. 79.
  427. ↑ Torpedo Manual for HM Fleet, Volume I, 1907, p. 79.
  428. ↑ Torpedo Drill Book, 1912, p. 342.
  429. ↑ Torpedo Drill Book, 1912, p. 342.
  430. ↑ Torpedo Drill Book, 1912, p. 342.
  431. ↑ Torpedo Drill Book, 1912, p. 342.
  432. ↑ Torpedo Drill Book, 1912, p. 342.
  433. ↑ Torpedo Drill Book, 1912, p. 342.
  434. ↑ Torpedo Drill Book, 1912, p. 342.
  435. ↑ Torpedo Drill Book, 1912, p. 342.
  436. ↑ Torpedo Drill Book, 1912, p. 342.
  437. ↑ Torpedo Drill Book, 1912, p. 342.
  438. ↑ Torpedo Drill Book, 1912, p. 342.
  439. ↑ Torpedo Drill Book, 1912, p. 342.
  440. ↑ Torpedo Drill Book, 1912, p. 342.
  441. ↑ Torpedo Drill Book, 1912, p. 342.
  442. ↑ Torpedo Drill Book, 1912, p. 342.
  443. ↑ Torpedo Drill Book, 1912, p. 342.
  444. ↑ Torpedo Drill Book, 1912, p. 343.
  445. ↑ Torpedo Drill Book, 1912, p. 343.
  446. ↑ Torpedo Drill Book, 1912, p. 343.
  447. ↑ Torpedo Drill Book, 1912, p. 343.
  448. ↑ Torpedo Drill Book, 1912, p. 343.
  449. ↑ Torpedo Drill Book, 1912, p. 343.
  450. ↑ Torpedo Drill Book, 1912, p. 343.
  451. ↑ Torpedo Drill Book, 1912, p. 343.
  452. ↑ Torpedo Drill Book, 1912, p. 343.
  453. ↑ Torpedo Drill Book, 1912, p. 343.
  454. ↑ Torpedo Drill Book, 1912, p. 343.
  455. ↑ Torpedo Drill Book, 1912, p. 343.
  456. ↑ Torpedo Drill Book, 1912, p. 343.
  457. ↑ Torpedo Drill Book, 1912, p. 343.
  458. ↑ Torpedo Drill Book, 1912, p. 344.
  459. ↑ Torpedo Drill Book, 1912, p. 344.
  460. ↑ Torpedo Drill Book, 1912, p. 344.
  461. ↑ Torpedo Drill Book, 1912, p. 344.
  462. ↑ Torpedo Drill Book, 1912, p. 344.
  463. ↑ Torpedo Drill Book, 1912, p. 344.
  464. ↑ Annual Report of the Torpedo School, 1916, p. 123. Plate 51
  465. ↑ Annual Report of the Torpedo School, 1916, p. 154.
  466. ↑ Annual Report of the Torpedo School, 1913, Plate 53.
  467. ↑ Annual Report of the Torpedo School, 1916, Plate 84.
  468. ↑ Admiralty. Pamphlet on the Mark IV* Dreyer Table, 1930, p. 24.

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