US Patent: 81,520
|
Improved Compositon for Grinding and Polishing Marble Plane with an Abrasive Medium
|
Patentee:
|
|
J. C. McAfee (exact or similar names) - West Alexander, PA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Granted: |
Aug. 25, 1868 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Steve Reynolds
|
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. |
|