Patent Model - Improvement in Wagon-Jacks
Maker and role
Simeon Smith, Patentee
Production date
Mar 19 1878
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Object detail
Media/Materials
Wood
Measurements
1 1/2 x 8 1/2 x 3" (3.8 x 21.6 x 7.6cm)
Description
Smith's patent "relates to an improved jack for lifting wagons and other objects for greasing the axles, &c.; and the invention consists of a fulcrumed cam-lever, connected, by pivot-links, with a vertically-guided post." (Patent Number 201,459)
Collection
Object number
2015.14.2548a-c
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Maker
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