Boat Propeller Driving Gear Zimer Original Patent Lithograph 1889
Boat Propeller Driving Gear Zimer Original Patent Lithograph 1889
Boat Propeller Driving Gear Zimer Original Patent Lithograph 1889

Boat Propeller Driving Gear Zimer Original Patent Lithograph 1889


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DESCRIPTION:

On this original linen-backed lithograph from 1889, F. W. Zimer patented improvements relating to gear described in reference to velocipedes, but stated to be applicable for propelling and steering boats.