WWII - 1944, USA Weapon Testing: Tank, Yagow Device Tested

WWII - 1944, USA Weapon Testing: Tank Flotation Devices Tested Title: Ritchie Project - Yagow Device For Medium Tank M4 Prepared by the Automotive Div. of the Ordnance Research & Development Center, Aberdeen Proving Ground, Maryland. Dec44. Tank w/ canvas screen raised manually & held by mechanical means w/ LCM screws driven from 2 1/2 ton truck front differentials. 12:21:32 Soldiers attaching. Title describing the results of testing & physical & operating characteristics. 12:22:50 Tank entering water thru broken surface ice showing high canvas hiding tank from view. 12:23:40 Title: A second pilot was constructed & tested at Fort Story, Virginia. 12:23:55 Tank along shoreline w/ propellers visible & crew looking over top of canvas. Title. Tank passing in MCU, enters calm water & descends so propellors are below surface. Demonstrated turning after rudders were attached, in light surf seen from boat circling. 12:26:33 Title: Upon leaving the water, floatation equipment is jettisoned... 12:26:46 Tank leaving water, canvas dropped & moving on sandy beach, parts falling off, seen from DUKW following. 12:28:14 Title: Results of the jettisoning test. Tank crew on board looking at canvas. Title re testing in 5-6 ft waves. Tank enters surf, seen from bouncing boat, pitching. Tank leaves water onto beach. WW2 weapon development; Military Inventions; NOTE: Portion or entire card may be purchased at per reel rate.