US Patent: 81,520
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Improved Compositon for Grinding and Polishing Marble
Plane with an Abrasive Medium
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Patentee:
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| J. C. McAfee (exact or similar names) - West Alexander, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Aug. 25, 1868 |
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Steve Reynolds
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Description: |
| A wooden plane has a chamber for holding an abrasive compositon for polishing marble. The composition is pulverized flint and gum-shellac in equal parts. |
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