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US Patent: 1,002,749
Drawing Implement Beam Compass
Patentee: George J. Petersen (exact or similar names) - Chicago, IL USPTO Classifications: 33/27.09 Tool Categories: layout tools : compasses : trammels Assignees: None Manufacturer: Not known to have been produced Witnesses: Martin Matthesen Charles Turner Brown D. D. Drew C. A. Adams	Patent Dates: Applied: Oct. 24, 1910 Granted: Sep. 05, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This is a draftsman's compass with several types of marking points provided. These points can be retracted when not in use.

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