Patent Model - Improvement in Clevises
Maker and role
John Simpson, Patentee
Production date
Apr 29 1879
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Object detail
Media/Materials
Wood, metal
Measurements
7 x 4 1/2 x 3 1/2" (17.8 x 11.4 x 8.9cm)
Description
Simpson's patent "relates to clevises for plows and other agricultural implements..." (Patent Number 214,793)
Collection
Object number
2015.14.2858a,b
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Maker
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