Japanese Army Shooting Practice Handbooks Set of 4 1939 F-8 Crusader so this might have been

so this might have been intended for an installation where this functionality was disabled

It is date stamped November 1959

' French built

The fluid is intact and clear

The 35mm lens is a Bell & Howell ANSIX Type-V lens f/3

Japanese Army Shooting Practice Handbooks Set of 4 1939 F-8 Crusader so this might have beenThis is an authentic set of four pocket handbooks of the Japanese Army, dated July 1939 (per Google Translate app) covering shooting practice. The books contain a number of illustrations of firing ranges, shooting positions, targets, firing trajectory, and ranges. About half of the pages are foldouts with charts and illustrations. Unfortunately, we are unable to translate this manual and cannot provide any additional information regarding its content.