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US Patent: 1,090,300
Variable Speed Mechanism for Metal Working Machines
Patentee: James Hartness (exact or similar names) - Springfield, Windsor County, VT USPTO Classifications: 74/334, 74/342 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking variable speed mechanisms metalworking machines : metal lathes : turret lathes Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 07, 1911 Granted: Mar. 17, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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