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US Patent: 221,862
Improvement in devices for securing the tail-stocks of metal-turning lathes
Patentee:
Salmon W. Putnam - Fitchburg, MA

USPTO Classifications:
82/148

Tool Categories:
metalworking machines : metal lathes
metalworking machines : metalworking machine mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Colt
J. W. Smith

Patent Dates:
Applied: Jun. 20, 1879
Granted: Nov. 18, 1879

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Putnam Machine Co.

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