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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
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