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US Patent: 840,528
Double boring-machine
Patentee: John T. Towsley (exact or similar names) - Cincinnati, OH USPTO Classifications: 74/665R Tool Categories: woodworking machines : wood drilling and boring Assignees: None Manufacturer: John T. Towsley Mfg. Co. - Cincinnati, OH Witnesses: Walter F. Murray Agnes McCormack	Patent Dates: Granted: Jan. 08, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John T. Towsley Mfg. Co.
Description: Horizontal borer with one fixed spindle, and one spindle that rotates about the fixed spindle, and the distance between them can be varied.

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