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US Patent: 130,879
Improvement in Compasses
Patentee: Oscar Stoddard (exact or similar names) - Detroit, MI USPTO Classifications: 33/558.3 Tool Categories: layout tools : calipers layout tools : compasses : dividers Assignees: None Manufacturer: Unknown Witnesses: Thos. S. Sprague Myron H. Church Frank Demhof	Patent Dates: Granted: Aug. 27, 1872 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This compass design features telescoping arms, as well as reversible points to allow each arm to hold a pen/pencil or point as appropriate. Known examples came with several different sizes and shapes of points, including both caliper-style and divider-style points.

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