Uploaded April 2018 | Updated September 2026, 7 hours ago

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In this video we look at an unusual patent on a tank made by General Barnes, head of Ordnance during WWII and how his patent would influence later designs.

Barnes Patent patents.google.com/patent/US2396073A/en?oq=2396073

1963 Rheinstahl Henschel patent for "viewing system for a combat vehicle" patents.google.com/patent/US3355987A/en?inventor=kunze+herbert&oq=kunze+herbert