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US Patent: 118,614
Centreing Tool Holder for Lathes
Improvements in Drill Rests for Chucking Lathes
George E. Johnson - Biddeford, ME
William Boston - Biddeford, ME

USPTO Classifications:

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories


Not known to have been produced

E. W. Wedgewood
Edwin Stone
William Franklin Javey
George E. Pond

Patent Dates:
Granted: Aug. 29, 1871

Patent Pictures:
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William H. Clifford - patent attorney

It is the purpose of our invention to provide a rest for chucking-lathes, which shall entirely obviate the difficulties now experienced in the use of the common rest. It is now necessary whenever a tool is changed for one of a different size, to change the rest also, the insertion of which, into the stand requires much nicety of adjustment, experience, and time.

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