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US Patent: 124,574
Improvements in Traction Engine
Patentee:
William Wallace Hanscom (exact or similar names) - San Francisco, CA

USPTO Classifications:
180/215, 60/486

Tool Categories:
propulsion and energy : steam apparatus : steam traction engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Mar. 12, 1872

Patent Pictures:
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