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US Patent: 1,295,041
Scale Plate Draftsman's Scale and Layout Tool
Patentee: Samuel M. Kekuewa (exact or similar names) - Honolulu, HI USPTO Classifications: 33/476 Tool Categories: rules : rule graduations layout tools : squares layout tools : protractors Assignees: None Manufacturer: Not known to have been produced Witnesses: C. J. McCarthy William K. Poal J. A. Schoedinger H. Ratcliff	Patent Dates: Applied: Jun. 10, 1918 Granted: Feb. 18, 1919 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This tool combines a variety of different scales with a square, protractor, and tables for measuring the area of arbitrary shapes.

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