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US Patent: 31,257
Centering Bars of Iron
Patentee: Nathan F. Newell (exact or similar names) - Northbridge, Worcester County, MA USPTO Classifications: 33/672, 408/105, 408/106 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: P. W. Dudley George L. Gibbs	Patent Dates: Granted: Jan. 29, 1861 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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