J. Walter Christie
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John Walter Christie was an American engineer and inventor. He is known best for developing the Christie suspension system used in several World War II-era tank designs, most notably the Soviet BT and
John Walter Christie, circa 1914
Experimental Christie T3E2 tank, shown here during tests in 1936
Christie M1931
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The Christie M1931, known as the Combat Car, T1 in US Cavalry use and Medium/Light Tank, Convertible, T3 in Infantry branch, was a wheel-to-track tank designed by J. Walter Christie for the United Sta
J. Walter Christie
…chassis in 1930 using a series of deceptions. On April 28, 1930 Christie's company, the U.S. Wheel Track Layer Corporation, agreed to sell Amtorg two M1931 Christie-designed tanks at a total cost of $60,000 US, with the tanks to be delivered not later than four months from date of signing, together with spare parts for the tanks…
Christie M.1931 during a demonstration, with Christie himself standing in the turret