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US Patent: 382,674
Adjusting Relief-Plate Wedges of Slide Valves
Patentee: Daniel A. Woodbury (exact or similar names) - Rochester, Monroe County, NY USPTO Classifications: 251/187 Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 07, 1887 Granted: May 08, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Woodbury, Booth & Co.

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