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US Patent: 252,224
Steam Engine Valve Gear
Patentee:
David Joy (exact or similar names) - Barrow-In-Furness, Lancaster County, England

USPTO Classifications:
74/834, 91/259

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: Jun. 10, 1880
Granted: Jan. 10, 1882

Patent Pictures:
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