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US Patent: 32,583
Centrifugal governor for steam-engines Marine governor
Patentee: Charles T. Porter (exact or similar names) - New York, NY USPTO Classifications: 73/547 Tool Categories: propulsion and energy : steam engines : steam engine governors Assignees: None Manufacturer: Charles T. Porter - New York, NY Ormerod, Grierson & Co. - Manchester, England Witnesses: M. M. Livingston G. W. Reed	Patent Dates: Granted: Jun. 18, 1861 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ormerod, Grierson & Co. Vintage Machinery entry for Charles. T. Porter; Porter-Allen Engine Co.

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