detail from patent

Caille Liberty Drive was designed by our general superintendent, Antoine Liberty, whose experience in the marine field extends over a period of more than thirty years. ...

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Catalog illustration May 1920 1920 ad for Caille Liberty Drive 1926 ad for Caille Liberty Single Drive 1931 catalog with specs
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THE AUTOMOBILE , March 14, 1918 , Page 572

Liberty Drive Outboard Motor Marketed
DETROIT March 13 - 1918 (referring to the release of the Liberty Single)

The Caille Perfection Motor Co is putting on the market a new little outboard motor for row boats. It will be called Liberty Drive and will retail for $48. Power is transmitted direct from the crankshaft to the engine and the latter is mounted on a swivel so that the boat can pass over an obstruction without causing damage to the propellor blades .