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US Patent: 314,528
Governor for Steam Engines
Patentee:
Alvah E. Hardy (exact or similar names) - Everett, Middlesex County, MA

USPTO Classifications:
137/52, 73/541, 73/544, 73/546

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

Assignees:
Edward Dewey & Co. - Boston, Suffolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 29, 1884
Granted: Mar. 24, 1885

Patent Pictures:
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