Allison logo.
Allision was a division of GM located in Indianapolis, Indiana, USA, and made liquid cooled aircraft engines.
In 1929, shortly after the death of James Allison, the company was purchased by the Fisher brothers. Fisher sold the company to General Motors, who owned it for most of its history. The company was acquired by Rolls-Royce in 1995 to become a subsidiary, Rolls-Royce Corporation.
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Allison logo.
Allison ad.
1943 GM Allison overhall manual for the V-1710 "E" Type aircraft engine.
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