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US Patent: 33,315
Method of Annealing and Swaging Castings
Patentee: Edward Brown Wilson (exact or similar names) - Westminster, England USPTO Classifications: 148/546 Tool Categories: woodworking machines : specialty woodworking machines : tool making machines Assignees: Wm Butcher, Jr. - Sheffield, England Manufacturer: Not known to have been produced Witnesses: Barnard P. Broomhead T. F. R. Hammond	Patent Dates: Granted: Sep. 17, 1861 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Items cast as normal first in a mold and then reheated in the furnace and then forming them to final shape

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