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US Patent: 367,673
Draftsman's protractor
Patentee: Alton J. Shaw (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 33/422 Tool Categories: metalworking tools : machinist tools : measuring tools : protractors layout tools : protractors Assignees: None Manufacturer: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Witnesses: Fred A. Waldron Fred M. Reed	Patent Dates: Applied: Feb. 21, 1887 Granted: Aug. 02, 1887 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens The Brown & Sharpe Mfg. Co "Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
Description: This Protractor was #510 in the Browne and Sharpe Mfg. Co. catalog.

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