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US Patent: 402,393
Machine for mixing mineral compounds
Patentee: Milton Broughton (exact or similar names) - Syracuse, NY USPTO Classifications: 366/66 Tool Categories: trade specific : plasterer specialty machines : concrete mixers specialty machines : mixing machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 30, 1888 Granted: Apr. 30, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: The "Broughton mixer" was manufactured for decades by the Alexander Iron Works of Syracuse. It was originally designed for making plaster for wall

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