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GB Patent: GB-181,203,617
Method of welding and making various kinds of cylinders of iron and steel Welding gun-barrels
Patentee: Henry Osborn (exact or similar names) - Whitmore House, county Warwick, England USPTO Classifications: Tool Categories: trade specific : gunsmith Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Nov. 28, 1812 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Grace's Guide page on Henry Osborn

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