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US Patent: 337,644
Dash-pot for steam-engines
Patentee: John Young (exact or similar names) - Newark, NJ USPTO Classifications: 188/301 Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: None Manufacturer: Watts, Campbell Co. - Newark, NJ Witnesses: Charles H. Sonn William S. Watts	Patent Dates: Applied: Dec. 21, 1885 Granted: Mar. 09, 1886 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Passaic Machine Works
Description: Watts, Campbell Co. operated the Passaic Machine Works in Newark.

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