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US Patent: 172,589
Improvement in machines for cutting precious stones
Patentee:
Henry D. Stover - New York, NY

USPTO Classifications:
125/30.01, 125/37, 451/389

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Ainsworth Brown
Samuel F. Hay

Patent Dates:
Applied: Oct. 07, 1875
Granted: Jan. 25, 1876

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

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