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US Patent: 68,488
Boring Metal
Improved Boring-Bar for Boring and Screw-Cutting
Patentee:
E. S. Chapell (exact or similar names) - Milton, Norfolk County, MA

USPTO Classifications:
408/129

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Sep. 03, 1867

Patent Pictures:
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