US Patent: 1,195,555
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| Floor dressing and polishing machine
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Patentee:
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| John A. Campbell (exact or similar names) - Quincy, MA |
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Patent Dates:
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| Applied: |
Jun. 02, 1916 |
| Granted: |
Aug. 22, 1916 |
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Jeff Joslin
Vintage Machinery entry for Campbell Machine Co.
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Description: |
| "This invention relates to a machine for grinding and polishing floors and other horizontal structures composed of stone or like material, or of a combination of materials capable of being ground and polished by the flat side of a tool mounted to rotate on a vertical axis and pressed while rotating against the surface on which it acts, the machine being movable by the operator, to extend the grinding and polishing action in various directions..." |
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