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US Patent: 244,094
Cylinder for steam-engine indicators
Patentee: Joseph W. Thompson (exact or similar names) - Salem, OH USPTO Classifications: 137/269, 137/557, 92/130R, 92/152 Tool Categories: propulsion and energy : steam apparatus : steam engine indicators Assignees: American Steam Gauge Co. - Boston, MA Buckeye Engine Co. - Salem, OH Manufacturer: American Steam Gauge Co. - Boston, MA Buckeye Engine Co. - Salem, OH Witnesses: Henry C. Jones Simon Summes	Patent Dates: Applied: Apr. 15, 1881 Granted: Jul. 12, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for American Steam Gauge Co. Vintage Machinery entry for Buckeye Engine Co.

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