Patent Model - Improved Washing Machine
Maker and role
Charles De Knight, Patentee
Production date
Aug 09 1870
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Object detail
Media/Materials
Wood, brass
Measurements
14 1/2 x 10 x 10" (36.8 x 25.4 x 25.4cm)
Description
De Knight's patent "consists in an arrangement of a rubbing-disk within a wash-tub, the lower surface of said disk, and the upper surface of the bottom of the tub, being provided with a series of curved rubbing strips, said disk being pivoted to a hollow vertical shaft, in which is placed an adjustable spiral spring, which imparts a downward pressure to the rubbing disk, which has a rotating reciprocating motion given to it through the medium of said hollow vertical shaft, driven by suitable driving gear." (Patent Number 106,137)
Collection
Object number
2015.14.1206
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