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US Patent: 1,997,841
Gear Selecting and Shifting Mechanism
Patentee: William E. Twamley (exact or similar names) - Charlestown, Sullivan County, NH USPTO Classifications: 74/334, 74/DIG.7, 82/143 Tool Categories: metalworking machines : metal lathes : turret lathes metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms Assignees: Jones & Lamson Machine Co. - Springfield, Windsor County, VT Manufacturer: Jones & Lamson Machine Co. - Springfield, Windsor County, VT Witnesses: Unknown	Patent Dates: Applied: May 15, 1933 Granted: Apr. 16, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Jones, Lamson & Co.

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