Patent Model - Improved Washing-Machine

Maker and role
J. Greenwood, Sr. (b.1818), Patentee
Production date
Apr 03 1866
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Object detail

Wood, iron
4 x 9 1/4 x 6 1/2" (10.2 x 23.5 x 16.5cm)
Greenwood's patent consists of "the levers E E, rods H H, springs I I, and crotchets D D [that] work in harmony and union together reciprocally, adjusting themselves to any desired thickness of clothes passing between the cylinder B and rollers C C." His improvement includes "the crochets D D and the application of the regulating device..." (Patent Number 53,604)
Object number
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