US Patent: 33,315
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Method of Annealing and Swaging Castings
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Patentee:
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Edward Brown Wilson (exact or similar names) - Westminster, England |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Sep. 17, 1861 |
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Russ Allen.
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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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