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US Patent: 312,178
Electro-magnetic toy swing
Patentee: Murray Bacon (exact or similar names) - Philadelphia, PA USPTO Classifications: 310/29, 40/411, 40/414, 40/426, 446/129 Tool Categories: Assignees: Novelty Electric Co. - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 10, 1883 Granted: Feb. 10, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Murray Bacon
Description: The patent is of interest because Murray Bacon of Philadelphia had manufactured foot and power lathes in the early 1870s.

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