Patent Model - Improvement in Wood-Screws
Maker and role
Jason Bidwell, Patentee
William Chisholm, Patentee
Production date
Jan 14 1873
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Object detail
Media/Materials
Metal
Measurements
22 1/4 x 13 1/2 x 1 1/2" (56.5 x 34.3 x 3.8cm)
Description
Bidwell and Chisholm's patent was intended to produce a screw that "is not as liable to split or break at the head or shank when subject to the force of the screw-driver as the usual wood-screw..." (Patent Number 134,783)
Collection
Object number
2015.14.1521
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