MIL-B-5046D, MILITARY SPECIFICATION: BOARD, CHART-PLOTTING, MARK 7 (19-SEP-1968) [NO S/S DOCUMENT]

MIL-B-5046D, MILITARY SPECIFICATION: BOARD, CHART-PLOTTING, MARK 7 (19-SEP-1968) [NO S/S DOCUMENT]., This specification covers design and all performance requirements for procurement of kneepad type, lighted chart-plotting boards.