US Patent: 1,001,433
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| Beam-Compass
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Patentee:
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| Hugo F. Olson (exact or similar names) - Dorchester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 29, 1911 |
| Granted: |
Aug. 22, 1911 |
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Ralph Brendler
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Description: |
| This is a machinist/draftsmans beam compass with a micro-adjustable point. |
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