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US Patent: 29,680
Machine for grinding saw-blades
Patentee: Henry Disston (exact or similar names) - Philadelphia, PA USPTO Classifications: 451/184, 451/449 Tool Categories: woodworking machines : specialty woodworking 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 (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Henry Disston & Sons
Description: This machine hollow-grinds handsaw blades.

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