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US Patent: 495,296
Speed Regulating Device for Lathes
Patentee:
John W. Boynton - Providence, RI

USPTO Classifications:
474/71, 474/83, 74/424.76, 82/132, 82/143, 82/144

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms
metalworking machines : metal lathes

Assignees:
Brown & Sharpe Mfg. Co. - Providence, RI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 04, 1892
Granted: Apr. 11, 1893

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.

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