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US Patent: 39,799
Improvement in governors for steam-engines
Patentee:
Frank Douglas - Norwich, CT

USPTO Classifications:
74/404.5

Tool Categories:
propulsion and energy : steam engines : steam engine governors

Assignees:
None

Manufacturer:
Douglas, Rogers & Co. - Norwich, CT

Witnesses:
H. H. Starkweather
George Pratt

Patent Dates:
Granted: Sep. 08, 1863

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for C. B. Rogers & Co.

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