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Safety-Crank
Patent for a new Safety-Crank for starting auto vehicle engines, which is capable of effectively imparting the necessary forward movement to an engine for starting, but having means conjoined with it, whereby it will be automatically released from positive engagement with the starting shaft on any retrograde movement of the engine.
Date:
July 1, 1919
Creator:
Farley, Bert T.
System:
The Portal to Texas History