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US Patent: 618,433
Reversing Gear
Patentee:
George Palm (exact or similar names) - Butler, Butler County, PA

USPTO Classifications:
74/831

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: Dec. 18, 1897
Granted: Jan. 31, 1899

Patent Pictures:
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