Patent Model - Improvement in Washing Machines

Maker and role
J. Greenwood, Sr. (b.1818), Patentee
Production date
Sep 21 1869
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Object detail

Wood, fabric
5 1/2 x 10 1/2 x 6 1/2" (14 x 26.7 x 16.5cm)
Greenwood's patent improvements consist in the "arrangement of the lever C C, in combination with the covered rollers B and D D, guide-rollers E E, and springs, d d, when constructed and connected as shown and described." (Patent Number 94,954)
Object number
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