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Handbook for Barr & Stroud Naval Range-finders and Mountings

Handbook for Barr & Stroud Naval Range-finders and Mountings

1916

Repository
Document ID
Pages
Dimensions
Plates
ADM 186/205
154

10cm x 16cm
57

My copy of this manual is a black and white photocopy of an original at TNA which bears copy number 3.  It appears highly useful for a wide variety of research purposes, but some sections might not be of interest to some, particularly the first chapter.

INDEX.

   
Page
Chapter 1. --
General Principles
7
  
Fundamental Characteristics
7
Elementary Optical Principles
11
   
Chapter 2. --
Geometrical Principles of Range-finding
26
The Arithmetic and Graphic Analyses of Range Cuts
31
 
Chapter 3. --
Geometrical and Optical Principles as applied to the Range-finder
43
Fundamental Arrangement
43
Action of the Deflecting Prisms
46
Attitude of Images as affected by the Optical Parts
46
The Functions of the various Parts of the Range-finder
49
  Separation of the Upper Field from the Lower
49
Combined Effect of the End Reflector and the Objective
51
Effect of the Equal Magnification Lens
53
Effects of the Halving Glass and Deflecting Prism on  the attitude of the Image
53
Combined Effects of the Eyepiece Prisms
53
The Eyepiece Lenses
65
The Finder
76
The Astigmatiser
83
The Range Working Head, Deflecting Prisms, and Scale Gear
88
The Coincidence Adjustment Gear
99
The Halving Adjustment Gear
107
The Frame Supports
120
The Infinity Adjuster
124
The Uniform Range Scale Auto-Transmission Gear
128
The Hand Following Mechanism
131
   
Chapter 4. --
Instructions as tp the Use and Care of the Range-finders
133
Selection and Training of Range-takers
133
The Operation of Range-Taking
136
The Correction of Halving Errors
139
The Correction of Coincidence Errors
140
Instructions for Dismantling the Various Range-finders
144
The Care of Range-finders
149
Abnormal Errors and their Correction
151
 
Chapter 5. --
Tables of Approximate Uncertainty of Observation
156
  
Standard Types of Range-finders, with Scale Data
157
Approximate Uncertainty of Observation
157
 
Chapter 6. --
Types of Mountings in the Naval Service with the various Range-finders
160
Description of the Mountings in Naval Service
160
Belt and Rail Mounting, Type M.B. 4
160
Belt Mounting, Type M.B. 7
161
Rail Mounting, Type M.E. 3
161
Rail Mounting, Type M.E. 6
161
Turret Mounting, Type M.G. 3
161
Turret Mounting, Type M.G. 8
162
Turret Mounting, Type M.G. 11
163
Tripod Mounting, Type M.H. 28
163
Tripod Mounting, Type M.H. 37
164
Traversing Mounting, Type M.J. 1
164
Traversing Mounting, Type M.J. 2
165
Turret Mountings, Types M.L. 10, M.L. 11, and M.L. 12
165
Turret Mounting, Type M.L. 13
165
Fixed Mounting, Type M.N. 1
165
Fixed Mounting, Type M.N. 2
166
Traversing Mounting, Type M.P. 2
166
Traversing Mounting, Type M.P. 3
167
Fixed Mounting, Type M.Q. 1
167
Fixed Mounting, Type M.Q. 10
168
High Angle Mounting, Type M.T. 3
168
High Angle Mounting, Type M.T. 4
168
High Angle Mounting, Type M.T. 6
169
Gun Control Tower Mounting, Type M.W. 1
170

PLATES.

     
I.
F.A. 2.
Section through left Eyepiece.
II.
F.Q. 2.
Arrangement of Eyepieces and Finder.
III.

F.T. 4,

F.T. 17,

F.T. 27 .

Section through left Eyepiece.
IV.
F.T. 8.
Section through left Eyepiece.
V.
F.T. 24
Section through left Eyepiece.
VI.
F.T. 25
Section through left Eyepiece.
VII.
F.T. 23
Section through left Eyepiece.
VIII.
Sections of Periscope Finders.
IX.
F.T. 28.
 Section of Finder.
X.
F.T. 29.
Top View and Section of Finder.
XI.
F.A.  2.
Deflecting Prism, Scale and Coincidence Adjustment Gear.
XII.
F.Q.  2.
Deflecting Prism, Scale and Coincidence Adjustment Gear.
XIII.
F.T.  4.
Deflecting Prism and Scale Gear.
XIV.
F.T.  8.
Deflecting Prism and Scale Gear.
XV.
F.T.  24.
Deflecting Prism and Scale Gear.
XVI.
F.T. 25.
Deflecting Prism and Scale Gear.
XVII.
F.T. 4.
Coincidence Adjustment Gear.
XVIII.
F.T.  8.
Coincidence Adjustment Gear.
XIX.
F.T. 17.
Coincidence Adjustment Gear.
XX.
F.T. 23.
Coincidence Adjustment Gear.
XXI.

F.T. 24,

F.T. 25.

Coincidence Adjustment Gear.
XXII.

F.T. 27,

F.T. 28,

F.T. 29.

Coincidence Adjustment Gear.
XXIII.
F.A. 2.
Halving Adjustment Gear.
XXIV.
F.Q. 2.
Halving Adjustment Gear.
XXV.
F.T. 4.
 Halving Adjustment Gear.
XXVI.
F.T. 8.
 Halving Adjustment Gear.
XXVII.
F.T. 23.
Halving Adjustment Gear.
XXVIII.
F.T. 24.
Halving Adjustment Gear.
XXIX.
F.T. 25.
Halving Adjustment Gear.
XXX.

F.T. 28,

F.T. 29.

Halving Adjustment Gear.
XXXI.
F.A. 2.
Left Frame Suspension.
XXXII.
F.A. 2.
Right Frame Suspension.
XXXIII.
F.Q. 2.
Right Frame Suspension.
XXXIV.

F.T. 4,

F.T. 17.

Right Frame Suspension.
XXXV.

F.T. 4,

F.T. 17.

Left Frame Suspension.
XXXVI.
F.T. 23.
Left Frame Suspension.
XXXVII.

F.T. 24,

F.T. 25.

Right Frame Suspension.
XXXVIII.
E.D. 1.
Uniform Scale Auto Gear Coupling (Turret Instruments).
XXXIX.
E.D. 1.
Uniform Scale Auto Gear Coupling (Gun Control Tower Instruments).
XL.
T.L. 2.
Hand Following Mechanism.
XLI.

F.A. 2,

F.T. 4,

F.T. 24,

F.T. 25.

Arrangement of Objective Holders.
XLII.
F.Q. 2.
Arrangement of Objective Holder.
XLIII.
F.T. 8.
Arrangement of Objective Holder.
XLIV.
F.T. 8.
Arrangement of E.M. Lens Holder.
XLV.
M.B. 4.
Belt and Rail Mounting.
XLVI.
M.G. 3.
Turret Mounting.
XLVII.
M.G. 8.
Turret Mounting.
XLVIII.
M.H. 28.
Tripod Mounting.
XLIX.
M.H. 37.
Tripod Mounting.
L.
M.J. 1.
Traversing Base.
LI.
M.L. 10.
Turret Mounting.
LII.
M.N. 1.
Fixed Mounting.
LIII.
M.P. 3.
Traversing Base.
LIV.
M.Q. 1.
Fixed Mounting.
LV.
M.T. 4.
High Angle Mounting.
LVI.
M.T. 6.
High Angle Mounting.
LVII.
M.W. 1.
Gun Control Tower Mounting.