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US Patent: 1,044,678
Recording Low Pressure Gage
Patentee: Coleman J. Manning (exact or similar names) - Medford, Middlesex County, MA USPTO Classifications: 73/729.1, 92/48, 92/91 Tool Categories: industrial tools : pressure indicators gauges : vacuum and pressure gauges industrial machines : industrial recording apparatus Assignees: American Steam Gauge & Valve Mfg. Co. - Boston, Suffolk County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 15, 1911 Granted: Nov. 19, 1912 Patent Pictures: 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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