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US Patent: 642,761
Reciprocating Engine
Patentee:
Michael Holroyd Smith (exact or similar names) - London, England

USPTO Classifications:
123/195HC, 123/197.1, 74/604

Tool Categories:
propulsion and energy : steam engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 29, 1897
Granted: Feb. 06, 1900

Patent Pictures:
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