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US Patent: 9,089
Center Square for Finding the Center of a CIrcle
Patentee: Nathan Ames (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 33/429 Tool Categories: layout tools : squares : center squares layout tools : squares : try squares Assignees: Walter Bryent - Boston, Suffolk County, MA Manufacturer: J. R. Brown & Sharpe - Providence, Providence County, RI Witnesses: Irah Chase, Jr. Wm. Honeybun	Patent Dates: Granted: Jul. 06, 1852 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
Description: Application of geometry in a square to find the center of a circle. Known example is marked "J. R. BROWN & SHARP/PROVIDENCE R.I"

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