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US Patent: 282,931
Scale for Steam Engine Indicators
James W. See - Hamilton, Butler County, OH

USPTO Classifications:
184/50.1, 33/494

Tool Categories:
propulsion and energy : steam apparatus : steam indicators

Ashcroft Mfg. Co. - Bridgeport, Fairfield County, CT

Not known to have been produced

John R. Woods
J. W. Cornell

Patent Dates:
Applied: Dec. 18, 1882
Granted: Aug. 07, 1883

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Ashcroft Mfg. Co.

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