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US Patent: 1,922,246
Machine tool
Patentee: Albert M. Johnson (exact or similar names) - Rockford, IL USPTO Classifications: 29/DIG.071, 29/DIG.077, 451/124, 451/365, 451/449 Tool Categories: metalworking machines : honing machines Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Apr. 23, 1930 Granted: Aug. 15, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Barnes Drill Co.
Description: The invention covers a mechanism to deliver liquid coolant during a honing operation.

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