Patent Model - Improvement in Padlocks
Maker and role
Hiram Shepardson, Patentee
Apr 26 1870
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2 3/8 x 2 1/16 x 2" (6 x 5.2 x 5.1cm)
Shepardson's patent "relates to padlocks, and the invention consists in a novel construction and arrangement of a swinging locking-dog, where the dog is arranged to lock the hasp at both ends, with one or more tumblers pivoted thereon, in combination with a fixed or stationary stop..." (Patent number 102,440)
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