US Patent: 9,722
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Pendulum Level
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Patentee:
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Thomas A. Chandler (exact or similar names) - Rockford, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
May 17, 1853 |
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Ralph Brendler
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Description: |
This is a fairly traditional inclinometer design, with a special
method of holding the pendulum to reduce friction.
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