US Patent: 723,720
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Compasses
Three-Legged Dividers
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Patentee:
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| Eric M. Ostlund (exact or similar names) - Rochester, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 09, 1902 |
| Granted: |
Mar. 24, 1903 |
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Ralph Brendler
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Description: |
| This design provides a simple set if dividers with a third fixed leg in the center. This allows each leg to be adjusted different sizes, so that the calipers can hold twp different measurements at once. |
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