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US Patent: 887,303
Traction Engine
Patentee: John B. Bartholomew (exact or similar names) - Peoria, IL USPTO Classifications: 180/36 Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: Avery Manufacturing Co. - Peoria, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 14, 1907 Granted: May 12, 1908 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Avery Manufacturing Co.

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