This video details the pre-WW2 3.25-inch Anti-Aircraft Rocket, highlighting its innovative Photo-Electric Proximity (PERF AR) fuze developed by the NDRC. It explains the fuze's shadow detection mechanism using a toroidal lens and photo cell, which triggered a thyratron and electric detonator. The program was eventually superseded by radio proximity fuzes and terminated in 1943, with this being the last known surviving example.
This video explores the history and evolution of the rod bayonet in U.S. military firearms, from its early adoption on the Hall rifle to its controversial inclusion on the M1903 Springfield. It details the design rationale, the drawbacks encountered, and the eventual abandonment of the rod bayonet in favor of more traditional knife bayonets, highlighting key figures and experimental models.
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