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US Patent: 431,704
Lubricator for steam-engines
Patentee: Joseph A. Mumford (exact or similar names) - Hantsport, NS Canada USPTO Classifications: 184/18, 184/24, 92/86 Tool Categories: propulsion and energy : steam engines : steam engine lubricators Assignees: None Manufacturer: Not known to have been produced Witnesses: C. B. Nicolson W. M. Christie	Patent Dates: Applied: May 10, 1889 Granted: Jul. 08, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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