US Patent: 476,380
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Beam-Compasses
Trammels
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Patentee:
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| Henry Haslam (exact or similar names) - New Britain, CT |
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Patent Dates:
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| Applied: |
Dec. 15, 1891 |
| Granted: |
Jun. 07, 1892 |
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Ralph Brendler
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Description: |
| The focus of this patent is on the bracket which attaches to one of the trammel points and allows for a pencil to be used. Final adjustment can be made, after setting the point/pencial approximate to the desired length, by loosening the thumb-screw and revolving the pencil bracket around the point. |
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