Patent Model - Washing-Machine

Maker and role
Mary Jack, Patentee
Production date
Feb 16 1892
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Object detail

Metal, wood
11 x 10 1/4" (27.9 x 26cm)
Jack's patent "has relation to certain new and useful improvements in washing-machines; and it consists of the novel construction..." Her new improvement is "the washing-machine comprising the rotary vessel or barrel, an inner vessel secured in said barrel, having a continuously-corrugated inner surface, the scrubber comprising the corrugated boards having a bearing at their upper and lower ends, the cover having a corrugated lining, the packing-ring, and the fastening device..." (Patent Number 469,146)
Object number
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