- Historical Significance: The PTM-1 saw use in conflicts like the Soviet-Afghan War and more recently in Ukraine
Its 0–5A range suggests applications in auxiliary systems such as lighting
the M151 was a rugged 1/4-ton 4x4 jeep that saw action in the jungles and rough terrains of Southeast Asia from the early 1960s through the 1970s
government contracted numerous private manufacturers to supplement production from federal armories such as Springfield and Harpers Ferry
Included is the original titled packet marked “Deutsches Schutzwall-Ehrenzeichen” with the retailer’s imprint Carl Poellath
1948 US Navy Echo Box TS-311A/UP NAVSHIPS 91111 Instruction Manual + 1953 T-1 Update Crew neck - Historical Significance: The PTM-1Original U. S. Navy Bureau of Ships Instruction Book for the Echo Box TS 311A UP, NAVSHIPS 91111, manufactured by General Communication Co., Boston, Massachusetts. This original post WWII Navy technical manual was approved on 22 June 1948 and includes the scarce Temporary Correction T 1 update dated 12 November 1953. The manual provides operating, maintenance, and servicing instructions for the TS 311A UP Echo Box, a specialized naval electronic test