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kibufox t1_is016w8 wrote

Automatic transmission has no ties to war. Alfred Horner Munro, a Canadian steam engineer, designed the first automatic transmission in 1921 and patented the transmission in 1923. He created the automatic transmission with four forward gears and no reverse or parking gears, and he used air pressure instead of hydraulic fluid. General Motors used the transmission in the Oldsmobile, Buick, and Cadillac between 1937 and 1938.

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