Mechanical Aid-to-Spotter: Difference between revisions
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==Mark I== | ==Mark I== | ||
:[[Mechanical Aid-to-Spotter Mark I|<small>Main article</small>]] | :[[Mechanical Aid-to-Spotter Mark I|<small>Main article</small>]] | ||
The need for these instruments was envisioned in early 1916. It seems likely that supply commenced in late 1916 at the earliest. | The need for these instruments was envisioned in early 1916. It seems likely that supply commenced in late 1916 at the earliest.{{FCHMShips|pp. 25}} The first version was deployed in 22 of the earlier dreadnoughts and battlecruisers.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', p. 34.</ref> | ||
==Mark II== | ==Mark II== | ||
:[[Mechanical Aid-to-Spotter Mark II|<small>Main article</small>]] | :[[Mechanical Aid-to-Spotter Mark II|<small>Main article</small>]] | ||
This device is detailed in ''Manual of Gunnery for HM Fleet, Volume III, 1920''.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', pp. 35-37, Plates 45, 47, 49, 51.</ref> Supply of these to the latest capital ships commenced in the early months of 1919, | This device is detailed in ''Manual of Gunnery for HM Fleet, Volume III, 1920''.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', pp. 35-37, Plates 45, 47, 49, 51.</ref> Supply of these to the latest capital ships commenced in the early months of 1919,{{FCHMShips|pp. 26}} and by 1920, 22 had been equipped.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', p. 35.</ref> | ||
==Mark II*== | ==Mark II*== | ||
:[[Mechanical Aid-to-Spotter Mark II*|<small>Main article</small>]] | :[[Mechanical Aid-to-Spotter Mark II*|<small>Main article</small>]] | ||
This device is detailed in ''Manual of Gunnery for HM Fleet, Volume III, 1920''.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', pp. 37-39, Plates 52-55, 59, 60.</ref> | This device is detailed in ''Manual of Gunnery for HM Fleet, Volume III, 1920''.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', pp. 37-39, Plates 52-55, 59, 60.</ref> | ||
Most often mounted in light cruisers from June 1918; an installation was generally a pair mounted on each side of the fore top.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', p. 37.</ref> | Most often mounted in light cruisers from June 1918; an installation was generally a pair mounted on each side of the fore top.<ref>''Manual of Gunnery for HM Fleet, Volume III, 1920'', p. 37.</ref>{{FCHMShips|pp. 26}} | ||
==See Also== | ==See Also== | ||
Latest revision as of 14:31, 19 September 2012
The Mechanical Aid-to-Spotter was designed by Lieutenant W. D. Kilroy to ensure that the spotting officer was watching the same target as was being fired upon by his own ship.
Mark I
The need for these instruments was envisioned in early 1916. It seems likely that supply commenced in late 1916 at the earliest.[1] The first version was deployed in 22 of the earlier dreadnoughts and battlecruisers.[2]
Mark II
This device is detailed in Manual of Gunnery for HM Fleet, Volume III, 1920.[3] Supply of these to the latest capital ships commenced in the early months of 1919,[4] and by 1920, 22 had been equipped.[5]
Mark II*
This device is detailed in Manual of Gunnery for HM Fleet, Volume III, 1920.[6] Most often mounted in light cruisers from June 1918; an installation was generally a pair mounted on each side of the fore top.[7][8]
See Also
Footnotes
- ↑ The Technical History and Index, Vol. 3, Part 23. pp. 25.
- ↑ Manual of Gunnery for HM Fleet, Volume III, 1920, p. 34.
- ↑ Manual of Gunnery for HM Fleet, Volume III, 1920, pp. 35-37, Plates 45, 47, 49, 51.
- ↑ The Technical History and Index, Vol. 3, Part 23. pp. 26.
- ↑ Manual of Gunnery for HM Fleet, Volume III, 1920, p. 35.
- ↑ Manual of Gunnery for HM Fleet, Volume III, 1920, pp. 37-39, Plates 52-55, 59, 60.
- ↑ Manual of Gunnery for HM Fleet, Volume III, 1920, p. 37.
- ↑ The Technical History and Index, Vol. 3, Part 23. pp. 26.
Bibliography
- Admiralty, Technical History Section (1919). The Technical History and Index: Fire Control in H.M. Ships. Vol. 3, Part 23. C.B. 1515 (23) now O.U. 6171/14. At The National Archives. ADM 275/19.
- Handbook for this device (not read by me) C.B. 1285
