MIL-S-12623A (NOTICE-1), MILITARY SPECIFICATION: STEREOPLOTTER, PROJECTION, TOPOGRAPHIC, WITH TABLE AND CASES (08-MAR-1967) [S/S BY MIL-S-52180]
MIL-S-12623A (NOTICE-1), MILITARY SPECIFICATION: STEREOPLOTTER, PROJECTION, TOPOGRAPHIC, WITH TABLE AND CASES (08-MAR-1967) [S/S BY MIL-S-52180].