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US Patent: 225,827
Gearing for Traction Engines
Patentee:
William Heilman - Evansville, Vanderburg County, IN

USPTO Classifications:
475/248

Tool Categories:
propulsion and energy : steam apparatus : steam traction engines : propulsion components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 19, 1880
Granted: Mar. 23, 1880

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Heilman Machine Works

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