DIFFERENCES BETWEEN CONFIGURATIONS (CONT)
Ballistics drive M10A1.
Has a support bracket for elevation quadrant M13A1.
Level vial on right side of connecting arm.
Has shorter cross shaft assembly than M10 to accommodate IR Periscope M32.
Has same trunnion linkage as M10.
Identification plate marking.
Has a light assembly clamped to the cross shaft assembly.
Has junction box, M10A3 does not.
BACK VIEW OF
Para 1-5 Cont Vol II