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US Patent: 320,652
Drifting Device for Lathes
Patentee:
John Hall (exact or similar names) - Philadelphia, PA

USPTO Classifications:
29/57, 409/288, 409/317

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 27, 1884
Granted: Jun. 23, 1885

Patent Pictures:
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