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US Patent: 167,364
Indicator for Steam Engines
Patentee: Joseph W. Thompson (exact or similar names) - Salem, Columbiana County, OH USPTO Classifications: 346/5 Tool Categories: propulsion and energy : steam apparatus : steam engine indicators Assignees: Joesph W. Thompson - Salem, Columbiana County, OH Buckeye Engine Co. - Salem, Columbiana County, OH Manufacturer: American Steam Gauge Co. - Boston, MA Witnesses: Charles Boone Peter Ambler W. W. Hollingsworth Amy W. Hart	Patent Dates: Applied: Aug. 13, 1875 Granted: Aug. 31, 1875 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for American Steam Gauge Co.

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