US Patent: 383,196
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| Spirit Level
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Patentees:
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| Edwin A. Stratton (exact or similar names) - Greenfield, MA |
| Charles M. Stratton (exact or similar names) - Greenfield, MA |
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Patent Dates:
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| Applied: |
Mar. 05, 1888 |
| Granted: |
May 22, 1888 |
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Patent Pictures:
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Russ Allen.
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Description: |
| Adjustment of the level is accomplished by using an adjustable "bead" that indicates the reading and can be moved as needed allowing the vial itself to be permanently fixed.
Known examples are marked STRATTON BROTHERS CO./GREENFIELD,MASS./PATENTED/JULY 16.1872/OCT. 4.1887/MAY 22.1888 |
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