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US Patent: 156,640
Improvement in lathes for turning spools
Patentees: Nathan E. Campbell (exact or similar names) - Hartford, CT William R. Landfear (exact or similar names) - Hartford, CT USPTO Classifications: 142/20 Tool Categories: woodworking machines : specialty woodworking machines : spool or bobbin machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Wendell R. Curtis Theodore G. Ellis	Patent Dates: Applied: May 06, 1874 Granted: Nov. 10, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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