US Patent: 449,557
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Plumb-Level
Inclinometer
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Patentee:
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| Benjamin Anderson Mounts (exact or similar names) - Cairo, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 28, 1890 |
| Granted: |
Mar. 31, 1891 |
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Ralph Brendler
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Description: |
| This is a fairly typical inclinometer, which uses an unusual construction. The glass covers for the needle are actually conical, with the points of the cones supporting the needle. |
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