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US Patent: 530,433
Indicator for Steam Engines
Patentee: Frederick Lane (exact or similar names) - Brookline, Norfolk County, MA USPTO Classifications: 200/56R, 346/44, 346/5 Tool Categories: propulsion and energy : steam apparatus : steam engine indicators Assignees: Crosby Steam Gage & Valve Co. - Boston, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 01, 1893 Granted: Dec. 04, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Crosby Steam Gage & Valve Co.

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