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US Patent: 320,752
Traction Engine
Patentee: Edgar M. Birdsall (exact or similar names) - Auburn, Cayuga County, NY USPTO Classifications: 74/356, 74/378 Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: None Manufacturer: Not known to have been produced Witnesses: T. J. Mosher John E. Burr Edward A. Newman Al. C. Newman	Patent Dates: Applied: Mar. 18, 1885 Granted: Jun. 23, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Birdsall Engine Co.

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