Patent Model - Improvement in Autographic Telegraphs
Maker and role
William Sawyer (b.1850, d.1883), Patentee
James Smith, Patentee
Robert Stockton, Assignee
Edward Anderson, Assignee
Nov 14 1876
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Brass, metal, wood
4 1/8 x 7 3/4 x 6" (10.5 x 19.7 x 15.2cm)
Sawyer and Smith's patented improvement "relates to certain mechanism for accomplishing autographic or fac-simile transmission of messages over lines of telegraph, and to electrical circuits connected therewith." (Patent Number 184,302)
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