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US Patent: 30,803
Pressure-gage
Patentee: Charles M. Daboll (exact or similar names) - New London, CT USPTO Classifications: 73/715 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : steam pressure gauges gauges : vacuum and pressure gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Alfred Coit D. T. Brainard	Patent Dates: Granted: Dec. 04, 1860 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Wilson Mfg. Co. (CT)
Description: The inventor is known to have worked for I. Wilson of New London, which became Wilson Mfg. Co.

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