Patent Model - Improvement in Devices for Generating Steam in Steam-Generators

Maker and role
Samuel Hill, Patentee
Samuel Hill, Assignee
Charles Thumm, Patentee
Charles Thumm, Assignee
Oliver Scaife, Assignee
Production date
Oct 12 1869
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Object detail

Metal, paint
7 1/2 x 11 x 4 1/4" (19.1 x 27.9 x 10.8cm)
Hill and Thumm of Oil City, assigned their rights to themselves and Oliver P. Scaife, of Pittsburgh, Pennsylvania. Their patent "consists in so constructing the apparatus... that the heated hydrocarbon, heated air, and superheated steam are mixed and commingled together, so as to form a gaseous and vaporous fuel for generating steam." (Patent Number 95,687)
Object number
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