Patent Model - Improvement in Wagon-Jacks
Maker and role
Ivy Hart, Patentee
Production date
Jul 09 1878
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Object detail
Media/Materials
Wood, iron
Measurements
1 x 7 x 3/4" (2.5 x 17.8 x 1.9cm)
Description
Hart's patent "consists in a novel construction, arrangement, and combination of a standard, a slide, and a lever, and certain details in connection therewith, whereby a jack is produced which is cheap, simple, strong, easily adjusted and operated, and occupies but a small space when not in use." (Patent Number 205,796)
Collection
Object number
2015.14.2638
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