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US Patent: 167,974
Slide Rests for Metal Turning Lathes
Patentee:
George F. Ballou - Pawtucket, Providence County, RI

USPTO Classifications:
82/137

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

Assignees:
Henry N. Fisher - Waltham, Middlesex County, MA
John E. Whitcomb - Waltham, Middlesex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 10, 1875
Granted: Sep. 21, 1875

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Ballou & Whitcomb

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