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US Patent: 11,223
Regulating the motion of steam-engines
Patentee:
William C. Hibbard (exact or similar names) - Boston, MA

USPTO Classifications:
73/493

Tool Categories:
propulsion and energy : steam engines

Assignees:
None

Manufacturer:
Atlantic Works (Boston) - Boston, MA

Witnesses:
Oliver Edwards
H. A. Peeler

Patent Dates:
Granted: Jul. 04, 1854

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Atlantic Works (Boston)

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