US Patent: 804,792
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| Adjustable Spirit Level
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Patentee:
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| Abram C. Brundage (exact or similar names) - Newpaltz, NY |
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Patent Dates:
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| Applied: |
Nov. 14, 1904 |
| Granted: |
Nov. 14, 1905 |
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Patent Pictures:
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Russ Allen.
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Description: |
| Inexpensive adjustable bubble tube holder for a mason's type level. Design allows easy removal and adjustment of the spirit vial. Known example marked: MADE BY/THE B.I. & T. MFG. CO/WALDEN, N.Y. - PAT, NOV. 14 05 |
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