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US Patent: 193,952
Automatic Cut-Off Gear for Steam-Engines
Patentee:
Frank F. Hemenway (exact or similar names) - Troy, Rensselaer County, NY

USPTO Classifications:
91/256

Tool Categories:
propulsion and energy : steam engines : steam engine valve gear

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 16, 1877
Granted: Aug. 07, 1877

Patent Pictures:
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