Patent Model - Improvement in Autographic Telegraphs

Maker and role
William Sawyer (b.1850, d.1883), Patentee
Production date
Dec 14 1875
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Object detail

Brass, metal, wood
8 x 11 7/8 x 10 1/2" (20.3 x 30.2 x 26.7cm)
Assignor (of his patent rights) with James G. Smith of one-half of their right to Robert F. Stockton and Edward J. Anderson of Trenton, NJ

Sawyer's patent "relates to certain mechanism for the purpose of accomplishing autographic or fac-simile transmission of messages over lines of telegraphs, and to various electrical circuits therefor." (Patent number: 171,051)
Object number
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