US Patent: 1,730,852
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| Angle and Hypotenuse Measuring Instrument
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Patentee:
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| William Jenny (exact or similar names) - Houston, TX |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 28, 1926 |
| Granted: |
Oct. 08, 1929 |
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Ralph Brendler
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Description: |
| This drafting tool allows very accurate measurement and layout of angled lines. Based on the fact that it was assigned to an oil company, I would assume it was primarily designed for cartography. |
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