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US Patent: 570,050
Compound Feed Motion for Boring Cylinders
Patentee:
Walter S. Phelps (exact or similar names) - Indianapolis, Marion County, IN

USPTO Classifications:
408/137

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: Feb. 05, 1896
Granted: Oct. 27, 1896

Patent Pictures:
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