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US Patent: 29,680
Machine for grinding saw-blades
Patentee:
Henry Disston - Philadelphia, PA

USPTO Classifications:
451/184, 451/449

Tool Categories:
woodworking machines : specialty machines : tool making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles E. Foster
Henry Howson

Patent Dates:
Granted: Aug. 21, 1860

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Henry Disston & Sons
Description:
This machine hollow-grinds handsaw blades.

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