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US Patent: 490,121
Protractor Bevel
Patentee: Herbert J. Leighton (exact or similar names) - Syracuse, NY USPTO Classifications: 33/425 Tool Categories: layout tools : bevels Assignees: None Manufacturer: Goodell-Pratt Co. - Greenfield, MA Witnesses: C. W. Smith Howard P. Denison	Patent Dates: Applied: May 23, 1892 Granted: Jan. 17, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen. "Vintage Machinery" entry for Goodell-Pratt Co.
Description: Protractor with a semi-circular head with a blade secured to it and a detachable blade to a sector that can be moved concentrically. Known example marked with the Mfg's info, patent date, and "28".

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