MIL-S-24561, MILITARY SPECIFICATION: SENSING AND SIGNALING DEVICE, CURRENT-TIME (CTS) (NAVAL SHIPBOARD USE) (15 AUG 1977)

MIL-S-24561, MILITARY SPECIFICATION: SENSING AND SIGNALING DEVICE, CURRENT-TIME (CTS) (NAVAL SHIPBOARD USE) (15 AUG 1977)., This specification covers a current-time sensing and signaling device (CTS) and a test act for such device for use on Naval ships.