US Patent: 9,428X
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| Solar Compass
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Patentee:
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| William A. Burt (exact or similar names) - Mount Vernon, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Feb. 25, 1836 |
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Ralph Brendler
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Description: |
| This is a surveyor's instrument designed to accurate measure direction based on the position of the sun. |
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