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US Patent: 292,409
Micrometer Gage
Patentee:
Cyrus Carleton - Providence, RI

USPTO Classifications:
33/813

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
Brown & Sharpe Mfg. Co. - Providence, RI

Manufacturer:
Brown & Sharpe Mfg. Co. - Providence, RI

Witnesses:
J. A. Miller, Jr.
M. F. Bligh

Patent Dates:
Applied: Dec. 17, 1883
Granted: Jan. 22, 1884

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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Martin J. Donnelly tools
"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.

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