Patent Model - Improvement in Collar and Tag Cutting Machines
Maker and role
Solomon Gray, Patentee
Production date
Dec 30 1873
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Object detail
Media/Materials
Wood, iron
Measurements
8 x 14 x 4 1/4" (20.3 x 35.6 x 10.8cm)
Description
Gray's patent "relates to a rotary machine for cutting and embossing collars and forming button-holes therein at one operation; and it consists, first, in the use of two cylinders arranged in bearings parallel to each other, so as to rotate in unison with each other, one of said cylinders having a hardened surface made round and straight, while the other has formed upon its periphery a series of steel knives of the proper shape for a collar suitably arranged..." (Patent Number 145,941)
Collection
Object number
2015.14.1679a-c
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