U.S. Army Signal Corps Manual Set – TM 11-2114 & TM 11-2115 (1949–1950) working hammer and trigger

working hammer and trigger

ensuring realistic training for mortar crews

combining the same armor-piercing capability with a bright tracer element for visibility during firing

Item Details

Designer: John Browning

U.S. Army Signal Corps Manual Set – TM 11-2114 & TM 11-2115 (1949–1950) working hammer and triggerStepping Switch Test Set + Crash & Conference Equipment Central Office Systems Offered here is a matched pair of original U. S. Army Technical Manuals covering early military telephone switching systems. These manuals document the operation, testing, and control of step by step (Strowger type) central office equipment, which formed the backbone of WWII and early Cold War communications networks. This is a complete, complementary set, with one manual