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US Patent: 6,253
Machinery for turning lasts, &c.
Machinery for turning lasts and other irregular figures from reverse patterns
Charles Hartshorn - Gardiner, ME
Elbridge Webber - Gardiner, ME

USPTO Classifications:
142/15, 142/7, 451/237

Tool Categories:
woodworking machines : wood lathes : pattern lathes


Not known to have been produced

Nathan Whitmore
N. O. Mitchell

Patent Dates:
Granted: Apr. 03, 1849

Patent Pictures:
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Described as an improvement on Thomas Blanchard's pattern lathe (pat. no. 3,131X); in this patent, a "reverse pattern" of the object to be copied is produced, and the "reverse pattern" is then used as a guide for subsequent production of the final object.

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