US Patent: 1,295,041
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Scale Plate Draftsman's Scale and Layout Tool
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Patentee:
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Samuel M. Kekuewa (exact or similar names) - Honolulu, HI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 10, 1918 |
Granted: |
Feb. 18, 1919 |
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Ralph Brendler
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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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