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US Patent: 52,305
Hot Air Engine
Patentee:
Thomas McDonough - Middletown, Middlesex County, CT

USPTO Classifications:
123/23

Tool Categories:
propulsion and energy : external combustion engines : hot air engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 30, 1866

Patent Pictures:
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