Patent Model - Improvement in Washing-Machines
Maker and role
William Knowles, Patentee
Production date
May 07 1872
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Object detail
Media/Materials
Wood, brass
Measurements
7 1/2 x 10 x 5" (19.1 x 25.4 x 12.7cm)
Description
Knowles's patent "relates to a new washing-machine, in which a reciprocating slotted wash-board is arranged to move on spring-rails under and against friction-rollers that hang in a spring-frame..." (Patent Number 126,463)
Collection
Object number
2015.14.1430
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Maker
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