MIL-C-1193, MILITARY SPECIFICATION: COMPASSES, SHIP, NAVY, NO. 1, MAGNETIC (REFLECTOR TYPE, 7-1/2 INCH CARD) AND BINNACLE, REFLECTOR TYPE (14-JUL-1949) [NO S/S DOCUMENT]

MIL-C-1193, MILITARY SPECIFICATION: COMPASSES, SHIP, NAVY, NO. 1, MAGNETIC (REFLECTOR TYPE, 7-1/2 INCH CARD) AND BINNACLE, REFLECTOR TYPE (14-JUL-1949) [NO S/S DOCUMENT]., This specification covers a magnetic compass with a 7-1/2 inch compass card and a binnacle which supports and provides adjustment capability to the compass.