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US Patent: 619,501
Milling-machine
Patentee: James Charles Potter (exact or similar names) - Pawtucket, RI USPTO Classifications: 409/212, 409/213 Tool Categories: metalworking machines : milling machines Assignees: Howard & Bullough American Machine Co., Ltd. - Pawtucket, RI Manufacturer: Not known to have been produced Witnesses: E. R. Richardson R. J. Davis	Patent Dates: Applied: Oct. 25, 1897 Granted: Feb. 14, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: This machine is specialized for "fluting or longitudinally grooving the drawing-rolls for spinning-machines", several rolls at a time.

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