US Patent: 342,303
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| Combined Plumb, Level and Rule
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Patentee:
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| John Morrison (exact or similar names) - St. Louis, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 19, 1886 |
| Granted: |
May 18, 1886 |
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Joel Havens
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Description: |
| Abstract:
The object of my invention is to provide a new and improved tool which is to be used for general measuring, and also for leveling and o plumbing, which tool can be folded to a size convenient for transportation or pocket use.
The invention consists of a rule oracle in hinged sections, of a plumb, and of a graduated straight-edge pivoted to one section.
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