US Patent: 69,602
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| Improvement in Plumb-Levels
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Patentees:
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| John T. Zimmerman (exact or similar names) - Lancaster, PA |
| Henry Baker (exact or similar names) - Lancaster, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 08, 1867 |
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Patent Pictures:
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Zimmerman & Baker Pat. Oct. 8, 1867 |
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Stan Schulz
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Description: |
| This plumb level device is designed to be clamped onto a straight-edge, is adjustable, and readable from several positions. The specifications differentiate this patent from nos. 49,802 (September, 1865) and 51,564. |
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