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US Patent: 368,554
Micrometer Gage
Patentee:
Frank Spaulding (exact or similar names) - Providence, Providence County, RI

USPTO Classifications:
33/831

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

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

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

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

Patent Dates:
Applied: May 10, 1887
Granted: Aug. 16, 1887

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
Description:
Long anvil within a sleeve that allows a greater range capacity with a set screw to hold it in place.

This micrometer was #45 in the 1916 B&S Catalogue.

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