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 |
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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