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US Patent: 491,521
Tail Stock for Milling Machines
John W. Boynton - Providence, RI

USPTO Classifications:
409/242, 451/410

Tool Categories:
metalworking machines : milling machines : milling machine accessories

Brown & Sharpe Mfg. Co. - Providence, RI

Not known to have been produced

W. H. Thurston
S. J. Murphy

Patent Dates:
Applied: Mar. 04, 1892
Granted: Feb. 14, 1893

Patent Pictures:
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
My invention has for its object to provide means for readily and accurately effecting all the necessary or desired adjustments of the back center of a milling machine, including not only lateral and vertical but angular adjustments thereof.

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