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US Patent: 526,688
Machine for Lengthening Boiler Flues
Patentee: James Cumming (exact or similar names) - Buffalo, Erie County, NY USPTO Classifications: 29/564 Tool Categories: specialty machines : welding apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 22, 1894 Granted: Oct. 02, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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