US Patent: 200,048
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| Improvement in Compasses
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Patentee:
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| Andrew P. Freshman (exact or similar names) - Belleville, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 26, 1877 |
| Granted: |
Feb. 05, 1878 |
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Ralph Brendler
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Description: |
| This compass features a complicated series of arms holding the tip, such that the points remain parallel regardless of what angle the compass is opened to. |
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