Quote:
did the real Fleet Boat binoculars have the range markings in them like the mod? I'm just asking because I really don't know.
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Yes they did!
Bausch & Lomb released several different models/versions of their binoculars for Navy use, and many came with ranging reticle
see table below:
HTML Code:
SCHEDULE OF BINOCULARS, NAVY DEPARTMENT, BUREAU OF SHIPS, FILE NUMBER S2407 - 533074. 8|2|44. ARRANGED BY PETER ABRAHAMS, 1996.
MK |MOD |GENERAL ARRANGEMENT |CONTRACTOR |MAGNIFICATION |APERTURE |FIELD (DEGREES) |EYE RELIEF, MM |TRANSMISSION % |BUREAU |STATUS (1944) |REMARKS
MK |MOD| GEN ARR |CONTRACT|MAG|APER|FIELD| ER MM|TRANS%| BUREAU| STATUS| REMARKS
1 | - | 637126-S | B & L | 7 | 50 | --- | 14.5 | 57.5 | SHIPS | CURR. | STRAIGHT AXLE; RUBBER COVERED
1 | - | 637145-S | B & L | 7 | 50 | --- | 14.5 | 57.5 | SHIPS | CURR. | TAPERED AXLE, RUBBER COVERED
1 | - | 24935-C | B & L | 7 | 35 | --- | ---- | ---- | SHIPS | OBS. | TAPERED AXLE, PRISM SECURED BY WIRE
1 | - |45827-O|BUSCH TURLEX|10| 45 | 4 | 15 | ---- | ORD. | OBS. |
1 | 1 | 637145-S | B & L | 7 | 50 | --- | 14.5 | 57.5 | SHIPS | CURR. | TAPERED AXLE, RUBBER COVERED
1 | 1 | 526537-S | B & L | 7 | 50 | --- | 14.5 | 57.5 | SHIPS | CURR. | MIL. SCALE
1 | 1 | 526537-S | B & L | 7 | 50 | --- | 14.5 | 57.5 | SHIPS | CURR. | BRITISH DEGREE SCALE
1 | 1 | 500-C | O.F.S. | 7 | 50 |7d10'| 14.9 | 57.5 | SHIPS | CURR. |
1 | 1 | 24935-C | B & L | 7 | 35 | --- | ---- | ---- | SHIPS | OBS. |
1 | 2 | 526545-S | B & L | 7 | 50 | 7 | 14.5 | 57.5 | SHIPS | CURR. | ALUMINUM PARTS DIE CAST & LACQUERED
1 | 2 | 526559-S | B & L | 7 | 50 | --- | 14.5 | 57.5 | SHIPS | CURR. | ALUM. PARTS DIE CAST & VINYLITE COVERED
1 | 2 | 526537-S | B & L | 7 | 50 | --- | 14.5 | 57.5 | SHIPS | CURR. | ALUM. PARTS DIE CAST & VINYLITE COVERED
1 | 2 | 500-C | O.F.S. | 7 | 50 |7d10'| 14.9 | 57.5 | SHIPS | CURR. | SAME AS B & L MK1 MOD 2
2 | - |45827-O|BUSCH TURLEX|10| -- | 4 | 15 | ---- | ORD | OBS. |
2 | 0 | 536843-S | B & L | 7 | 50 | --- | ---- | ---- | SHIPS | OBS. | TAPERED AXLE; PRISM WIRED; SAME AS MK1 & MK1 MOD1
2 | 2 | 526545-S | B & L | 7 | 50 | --- | 14.5 | ---- | SHIPS | OBS. | SAME AS MK1 MOD2; ALUM. PARTS DIE CAST
3 | - | 46629-O | B & L |6-10|33 |3d50'| 18.5 | ---- | ORD | OBS. | VARIABLE POWER
3 | - | 637163-S | B & L | 6 | 30 | --- | ---- | ---- | SHIPS | OBS. | TAPERED AXLE
3 | - | 637158-S | B & L | 6 | 30 | --- | ---- | ---- | SHIPS | OBS. | STRAIGHT AXLE
3 | 0 | -------- | SPENCER| 7 | 50 |7d39'| 14.5 | ---- | SHIPS | OBS. | TAPERED AXLE
3 | 1 | 637163-S | B & L | 6 | 30 | --- | ---- | ---- | SHIPS | OBS. | NEW PRISM MOUNTING, EYE PIECE SHOULDERS ON BODY
3 | 1 | 481746-S | SPENCER| 6 | 30 |8d54'| 11.3 | 55 | SHIPS | OBS. | COMMERCIAL STOCK
3 | 2 | -------- | B & L | 6 | 30 | --- | ---- | ---- | SHIPS | OBS. | NONE MADE
3 | 3 | -------- | SPENCER| 6 | 30 |8d54'| 11.3 | 55 | SHIPS | OBS. |
3 | 4 | -------- | SPENCER| 7 | 50 | --- | ---- | ---- | SHIPS | OBS. | COMMERCIAL STOCK
3 | 5 | 494021-S | SPENCER| 7 | 50 |7d39'| 14.5 | 57.8 | SHIPS | OBS. | COMMERCIAL STOCK
MK |MOD| GEN ARR |CONTRACT|MAG|APER|FIELD| ER MM|TRANS%| BUREAU| STATUS| REMARKS
4 | 0 | 44775-O | B & L | 5 | 30 |8d24'| 15 | ---- | ORD. | OBS. |
4 | 1 | 44775-O | B & L | 5 | 30 |8d24'| 15 | ---- | ORD. | OBS. |
4 | 2 | 50191-O | B & L | 5 | 30 |8d24'| 15 | ---- | ORD. | OBS. |
4 | 3 | 55341-O | B & L | 5 | 30 |8d24'| 15 | ---- | ORD. | OBS. |
5 | 0 | 46801-O | B & L | 7 | 50 | 6 | 15.5 | ---- | ORD. | OBS. |
5 | 1 | 48926-O | B & L | 7 | 50 | 6 | 15.5 | ---- | ORD. | OBS. |
6 | 0 | 68816-O | N.G.F. | 10| 45 | 4.2 | ---- | ---- | ORD. | OBS. |
6 | 1 | 68826-O | N.G.F. | 10| 45 | 4.2 | ---- | ---- | SHIPS | OBS. |
6 | 2 | 68839-O | N.G.F. | 10| 45 | 4.2 | ---- | ---- | SHIPS | OBS. |
6 | 3 | 17268-C | B & L | 10| 45 | 4.2 | ---- | ---- | SHIPS | OBS. |
6 | 4 | 68816-O | N.G.F. | 10| 45 | 4.2 | ---- | ---- | SHIPS | OBS. |
7 | - | 56588-O | N.G.F. | 6 | 30 | --- | ---- | ---- | ORD. | OBS. |
7 | 0 | 66673-O | N.G.F. | 6 | 30 | 8 | ---- | ---- | ORD. | OBS. |
7 | 1 | 66674-O | N.G.F. | 6 | 30 | 8 | ---- | ---- | ORD. | OBS. |
7 | 2 | 66675-O | N.G.F. | 6 | 30 | 8 | ---- | ---- | ARMY | ----- |
8 | - |34730-O|GLOBE OPTICAL|3| -- | --- | ---- | ---- | ORD. | OBS. | GALILEAN
9 | - | 66686-O | N.G.F. | 3 | 50 | --- | ---- | ---- | SHIPS | OBS. | GALILEAN
10| - | 119666-O | N.G.F. | 4 | -- | 10 | 22 | ---- | AERO. | OBS. |
11| 0 | 119683-O | N.G.F. | 6 | 30 |8d40'| 15 | ---- | ORD. | OBS. | WATERPROOF
11| 1 | 119683-O | N.G.F. | 6 | 30 |8d40'| 15 | ---- | ORD. | OBS. | WATERPROOF
11|2-3| 141890-O | N.G.F. | 6 | 30 |8d40'| 15 | ---- | ORD. | OBS. | WATERPROOF
12| 0 | 132869-O | N.G.F. | 10| 45 |5d12'| 14 | ---- | ORD. | OBS. | WATERPROOF
12| 1 | 132869-O | N.G.F. | 10| 45 |5d12'| 14 | ---- | ORD. | OBS. | WATERPROOF
12| 2 | 132869-O | N.G.F. | 10| 45 |5d12'| 14 | ---- | ORD. | OBS. | WATERPROOF
13| 0 | 105900-O | B & L | 7 | 50 |7d10'| 16 | 57.5 | SHIPS | OBS. |
13| 1 | 175965-O | B & L | 7 | 50 |7d10'| 16 | 57.5 | SHIPS | OBS. |
13| 2 | 175965-O | B & L | 7 | 50 |7d10'| 16 | 57.5 | ORD. | OBS. |
13| 3 | 105900-O | B & L | 7 | 50 |7d10'| 16 | 57.5 | ORD. | OBS. |
13| 4 | 176489-O | B & L | 7 | 50 |7d10'| 16 | 57.5 | SHIPS | OBS. |
13| 5 | 300872-O | SPENCER| 7 | 50 |7d39'| 16 | 57.8 | SHIPS | OBS. |
13| 6 | 536843-S | B & L | - | -- | --- | ---- | ---- | SHIPS | OBS. |
MK |MOD| GEN ARR |CONTRACT|MAG|APER|FIELD| ER MM|TRANS%| BUREAU| STATUS| REMARKS
14| - | -------- | N.G.F. | 6 | 30 |8d40'| 15 | ---- | AERO | OBS. | MK 11 WITHOUT MIL SCALE
15| - | 153551-O | N.G.F. | 7 | 50 |7d 2'| 14 | ---- | ORD. |EXPMTL.| BAKELITE
16| - | -------- | B & L | 6 | 30 |8d36'| ---- | ---- | AERO | OBS. | RUBBER EYEGUARD
17| - | -------- | N.G.F. | 4 | 25 | --- | ---- | ---- | ORD. |EXPMTL.|
17| 0 | -------- | SPENCER| 7 | 35 |7d38'| 11 | 80 | AERO |EXPMTL.|
18| - | 26609-C | B & L | 7 | 35 |7d16'| ---- | ---- | AERO | CURR. | NOT COATED
18| - | 29157-C | B & L | 7 | 35 |7d16'| ---- | ---- | AERO | CURR. | LEACHED OPTICS; ROTABLE EYEGUARDS; POLARIZING FILTERS
19| - | 29544-C | B & L | - | -- | --- | ---- | ---- | MARINE| ----- | MIL SCALE - LEFT BARREL
19| 0 | 300853-O | SPENCER| 6 | 30 |8d54'| 11.3 | 55 | MARINE| ----- | MIL SCALE - LEFT BARREL
20| - | 300864-O | SPENCER| 7 | 35 |7d10'| 10.7 | 56 | MARINE| ----- |
21| - | 29329-C | B & L | 7 | 50 |7d10'| 7 | ---- | AERO | CURR. | RUBBER EYEGUARD; POLARIZING FILTER
21| - | -------- |KOLLSMAN| 7 | 50 |7d10'| 7 | ---- | AERO | CURR. |
22| - | 278591-O | B & L | 7 | 50 | --- | ---- | ---- | ORD. | OBS. | OFFSET WEDGE ATTACHMENT. WITH MIL SCALE
23| - | 29466-C | B & L | 10| 50 | --- | ---- | ---- | AERO | CURR. | MK 21 WITH 10 POWER EYEPIECE
23| - | -------- | B & L | 10| 50 |5d 5'| 5 | ---- | AERO | CURR. | RUBBER EYEGUARDS; POLARIZING FILTERS
24| - | 29461-C | B & L | 8 | 56 |6d25'| 7 | ---- | AERO | CURR. | LEACHED OPTICS; ROTABLE EYEGUARDS; POLARIZING FILTERS
25| - | -------- | N.G.F. | 10| 70 | --- | ---- | ---- | ORD. |EXPMTL.| ONLY 2 MADE
25| 1 | 244100-O | N.G.F. | 10| 70 |5d10'| 13.5 | 79.6 | ORD. |EXPMTL.| ALTERED MK 13; SUPERSEDED BY MK 37
26| - | 526545-S | B & L | 7 | 50 | 7 | 14.5 | ---- | ORD. | CURR. | MK 13 WITH RUBBER EYEGUARDS
27| - | -------- | B & L | 7 | 50 |7d10'| 16 | ---- | ORD. | CURR. | MODIFIED MK 22. RETICLE WEDGE ATTACHMENT OMITTED
28| - | 526564-S | B & L | 7 | 50 | --- | 14.5 | ---- | SHIPS | CURR. | WATERPROOF
29| 0 | 30326-C |UNIVERSAL|6 | 30 |8d15'| 10.2 | 50 | SHIPS | OBS. | ALSO 30297-C
30| 0 | 494040-S | SPENCER| 7 | 50 |7d39'| 14.5 | 57.8 | SHIPS | CURR. | WATERPROOF
31| 0 | 481756-S | SPENCER| 6 | 30 |8d54'| 11.3 | 55 | SHIPS | OBS. | COMMERCIAL STOCK
MK |MOD| GEN ARR |CONTRACT|MAG|APER|FIELD| ER MM|TRANS%| BUREAU| STATUS| REMARKS
32| 0 | 471988 | ANCHOR | 7 | 50 |7d10'| 14.9 | 75 | SHIPS | CURR. | # IS STD. PLAN #, NOT G. A. WATERPROOF, COATED OPTICS.
32| 1 | " |NATIONAL| 7 | 50 |7d10'| 14.9 | 75 | SHIPS | CURR. |
32| 2 | " |UNIVERSAL|7 | 50 |7d10'| 14.9 | 75 | SHIPS | CURR. |
32| 3 | -------- | PERFEX | 7 | 50 |7d10'| 14.9 | 75 | SHIPS | CANCEL|
32| 4 | 533081 | ANCHOR | 7 | 50 |7d10'| 14.9 | 75 | SHIPS | CURR. | # IS STANDARD PLAN NUMBER
32| 5 | " |NATIONAL| 7 | 50 |7d10'| 14.9 | 75 | SHIPS | CURR. |
32| 6 | " |UNIVERSAL|7 | 50 |7d10'| 14.9 | 75 | SHIPS | CURR. |
33| 0 | BNS300-C |UNIVERSAL|6 | 30 |8d15'| 10.2 | 50 | SHIPS | CURR. | WATERPROOF
34| - | -------- | AJAX | 7 | 50 | --- | ---- | ---- | SHIPS | CANCEL| NONE MADE
35| - |C-1000043C| AJAX | 7 | 50 | --- | ---- | ---- | SHIPS | CANCEL|
35| 1 |C-1000043C| NATIONAL|7 | 50 |7d12'| 14.1 | 50 | SHIPS | OBS. | ZEISS TYPE
36| - | 526584-S | B & L | 10| 50 |7d10'| 14.5 | 77 | ORD. |EXPMTL.| SANDCAST BODIES
37| 0 | 254211-O | N.G.F. | 9 | 63 |5d42'| 13.5 | 78.4 | ORD. | CURR. | MK 13 MODIFIED OBJECTIVE
38| - | 30175-C | B & L | 7 | 50 |7d10'| 10.7 | ---- | ORD. | CURR. | PRESSURE PROOF
39| 0 | 30297-C | B & L | 7 | 50 |7d10'| 16 | ---- | ORD. | CURR. | MK1 MOD2 WITH RETICLE
39| 1 | 30326-C | B & L | 7 | 50 |7d10'| 16 | ---- | ORD. | CURR. | MK 28 WITH RETICLE
40| - | -------- | ANCHOR | 7 | 50 |7d10'| 14.9 | 75 | MARINE| ----- | MK 32 WITH RETICLE
41| - | 30257-C | B & L | 7 | 50 | --- | ---- | ---- | AERO | CURR. | WIDE FIELD
41| - | -------- | B & L | 7 | 50 | 10 | 19 | ---- | AERO | CURR. | RUBBER EYEGUARD
42| - | -------- | PIONEER| 7 | 50 | 10 | 14 | 70 | AERO | CURR. | MIRROR PORRO REFLECTORS
43| - | -------- |KOLLSMAN| 6 | 42 |11d50'|20 | ---- | AERO | CURR. |
44| - | -------- |KOLLSMAN| 7 | 50 | --- | ---- | ---- | SHIPS | CURR. |
45| - | -------- | HAYWARD| 7 | 50 | --- | ---- | ---- | SHIPS | CURR. | NEW DESIGN
46| - | -------- | B & L | 7 | 50 | --- | ---- | ---- | MARINE| CURR. | MK 28 WITH RETICLE
47| - | -------- | B & L | 6 | 50 | --- | 27 | ---- | ORD. | CURR. | PRESSURE PROOF SUBMARINE
GENERAL ARRANGEMENT NUMBERS, FOUND ON CUTAWAY VIEW BLUEPRINTS, WERE USED AS IDENTIFICATION NUMBERS UNTIL REPLACED BY FEDERAL STOCK NUMBERS.
THREE VIEWS WERE PROVIDED FOR EACH INSTRUMENT; THE OUTLINE VIEW (SURFACE), THE GENERAL ARRANGEMENT, AND THE OPTICAL ARRANGEMENT.
IN GENERAL ARRANGEMENT NUMBERS, S = BU SHIPS DRAWING, O = BU ORD DRAWING, C = CUSTOMER'S DRAWING.
STATUS: CURRENT, OBSOLETE, EXPERIMENTAL, CANCELLED.
CONTRACTORS: B & L = BAUSCH & LOMB. O.F.S. = OPTICAL & FILM SUPPLY. N.G.F. = NAVAL GUN FACTORY.