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US Patent: 821,988
Gage Testing Apparatus
Patentee: Charles H. Craig (exact or similar names) - Wrentham, Norfolk County, MA USPTO Classifications: 73/1.65 Tool Categories: specialty machines : testing machines Assignees: American Steam Gauge & Valve Mfg. Co. - Boston, Suffolk County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 05, 1905 Granted: May 29, 1906 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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