Military Slide Rules

USAF Test Pilot School Edwards AFB slide rule on crest

Test Pilot Student and Instructor at TPS School, Edwards AFB c1952-1954

Test Pilot calculating flight profile at TPS School, Edwards AFB c1956

Alex E. S. Green Slide Rules

REF Green Ship Length Computer	Green Ship Length Computer Made in USA by Alex. E.S. Green during WWII For determining the size of Japanese ships, used in conjunction with the B-29 Gun sights. This slide rule was used to find the elusive Japanese battleship Yamato
REF Green Flight Engineers Computer	Green Flight Engineers Computer Made in USA by Alex. E.S. Green during WWII. For maximizing the fuel range of B-29 Gun during long over-water missions. Created after the B-29 crew that found the Japanese fleet ran out of gas and had to land in Xian, China

Government Issued Slide Rules

L03 K&E Short Base Triangulation Rule USArmy

Initials: USBR

K&E Short Base Triangulation Rule US Army Made in U.S.A. for the US Army - 20" long Front Scale: Aux Angle "A", Mils [ Vertex Angle "t" mils, base "b" ] Range "R" Back Scale: [ Vertex Angle "t" mils, base "b" ] Cursor: 2 hairlines Meters/Yards

REF K&E M4 Graphical Firing Table Slide Rule - 1943

L06 Geo. W. Richardson Ballistic Slide Rule Model of 1917

Geo. W. Richardson Ballistic Slide Rule Model of 1917 Made in USA by Geo. W. Richardson for J. H. Weil & Co. Front Scale: A (Yards or Meters) [ B (Mils) C ] D (Yards or Meters) Back Scale: [ B (Mils) C ] Note: This was not designed for a sliding cursor

C01_USSR Artillery Ranging	C01_USSR Artillery Ranging Made in USSR Front Scale tg, tg, 10K [Sin1-00, Sin0-10, 10K] Tables Archive Photo - No longer in collection
REF Military Attack Computer	Military Attack Computer Made in USA Front Scale Air Speed, Lead angle, Time, Distance, etc. Archive - Not in collection
U.S. Military 76mm Howitzer Artillery Set	U.S. Military 76mm Howitzer Artillery 2 SR set Made in USA - 1952 Scales: Range, Elevation, Drift, etc
S217 Soviet-LFAI Aviation Navigator's	Soviet Aviation Navigator's Made in USSR Scales: The Corrected height, Height and speed on the device, Distance, Radiuses of a turn - distances - heights
S531 Soviet-LFAI Aviation Navigator's	Soviet-LFAI Aviation Navigator's Made in USSR Scales: The Corrected height, Height and speed on the device, Distance, Radiuses of a turn - distances - heights
S552 Soviet-LFAI Artillery	Soviet-LFAI Artillery Made in USSR Front Scale: 1:50000M, 1:25000M // β, NČ [Sin, S&T, Tg, N ] NQ+1, L Back Scale: [ Sin, S&T, Tg, N ] Back: Position and spotter formulae Multiple hairlined Cursor
S495 Lawrence 505_U.S. Navy	Lawrence 505_U.S. Navy Made in USA - Peru, Ind. (Lawrence) Painted wood body Front Scale A [ B, CI, C ] D, K Back Slider [ S, L, T ] Back: Conversion Chart
S189 American Blueprint Military Rule	American Blueprint Military Rule Made in USA - by K&E for American Blueprint (Military contractor) Front Scale Opposite Angle Deg, Mils [Apex Angle Mils, Deg, CI,C] D,A Back slider: [Tan, Sin-Tan, Tan ] Back: Geometry formulae TM 6-240 Manual, Field Artillery Military Slide Rule
S227 Pickett Model 14 US Military	Pickett Model 14 US Military Made in USA Front Scale LL1+/-, LL2+/-, A [ B, T, ST, S, K,  C ] D, LL3+/-, LL4+/- Back Scale Opposite angle Degrees, Mils [ Apex angle, Tan, Sin-Tan, Sin, Base C ], Distance D, A
S190 Union Instruments MIL-C-4318-B Type A-1	Union Instruments MIL-C-4318-B Type A-1 Made in USA by Pickett Front Scale L, A, DF [ CF, CIF, T, S, C ] D, DI, K Back scale Ground Size Meters, Feet, Ground Speed, [Image size, Cycling Time, Focal Length ] Altitude USAF Manual 8.69Mb
P232 Pickett N700-T USAF Aerial Photo Type A-2	Pickett N700-T USAF Aerial Photo Type A-2 Made in USA for the USAF Front Scale L, A DF [ CF, CI, T, S, C ] D, DI, K Back Scale Ground Size Meters, Feet, Ground Speed, [Image size, Cycling Time, Focal Length] Altitude USAF Manual 8.69Mb
S191 USAF Type A-1 Aerial Photo	USAF Type A-1 Aerial Photo - c1950 Made in USA for Astrodyne by Precision Scale Co. (founded by Art Eckel) Front Scale L, A, DF [ CF, CIF, T, S, C ] D, DI, K Back scale Ground Size, Ground Speed, [Image size, Cycling Time, Focal Length ] Altitude USAF Manual 8.69Mb