Patent Model - Improvement in the Manufacture of Illuminating-Gas

Maker and role
Charles Gearing, Patentee
George Irwin, Assignee
Charles Walters, Assignee
Nancy Milligan, Assignee
Simon Row, Assignee
Production date
Jun 24 1873
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Object detail

Iron, brass
11 x 11 x 8" (27.9 x 27.9 x 20.3cm)
"Charles Gearing, Of Pittsburg, Assignor of Four-Eighths His Right to George M. Irwin, Chas. Walters, and Nancy Milligan Of Same Place, And Simon B. Row, Of Clearfield, PA."

The nature of Gearing's patent "consists in the construction and arrangement of a machine for generating illuminating-gas... where steam and air are carbonized by coming in contact with hydrocarbon liquids..." (Patent Number 140,264)
Object number
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