Patent Model - Improvement in Rotary Engines

Maker and role
William Manley, Patentee
Production date
Dec 30 1873
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Object detail

11 x 12 x 8" (27.9 x 30.5 x 20.3cm)
Manley's patent "has reference to that class of rotary engines in which one or more pistons are caused to revolve or rotate in a cylinder or case; and it is applicable to steam-engines, pumps, and blowing or other engines in which it may be useful. The object of the invention is to obviate the defects incident to the circular movement of a piston or pistons in contact with heads fixed to the cylinder or case confining the fluid." (Patent Number 146,010)
Object number
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