Patent Model - Improvement in Washing-Machines

Maker and role
Pliny Williamson (b.1830, d.1924), Patentee
George Rough, Assignee
Production date
Dec 08 1874
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Object detail

Cast iron, steel, wood
11 x 9 3/4 x 10" (27.9 x 24.8 x 25.4cm)
Williamson assigned the rights to his patent to both himself
and George W. Rough of Covington, Ohio. His patent pertains
“to the construction and arrangement of a washing machine…”
that uses small washing rollers. (Patent Number 157,664)
Object number
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