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US Patent: 586,293
Speed Changing Mechanism for Lathes, Drills or Similar Machines
Patentee: John Edward Smith (exact or similar names) - Stafford, Tolland County, CT USPTO Classifications: 474/112, 474/72, 474/77 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking variable speed mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 27, 1896 Granted: Jul. 13, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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