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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:
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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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