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GB Patent: GB-189,407,140
Improvements in steam-engines, and in cylinders, governors, and valve motions therefor, and in provisions for lubricating the same
Patentee: Charles Talbot Porter (exact or similar names) - Montclair, Essex County, NJ USPTO Classifications: Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Ormerod, Grierson & Co. - Manchester, England Charles T. Porter - Newark, NJ Witnesses: Unknown	Patent Dates: Applied: Apr. 10, 1894 Granted: Feb. 28, 1895 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Charles T. Porter; Porter-Allen Engine Co. Vintage Machinery entry for Ormerod, Grierson & Co.

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