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US Patent: 116,131
Improvement in steam pumping-engines
Patentee: Henry R. Worthington (exact or similar names) - New York, NY USPTO Classifications: 91/153, 91/160, 91/191 Tool Categories: propulsion and energy : steam apparatus : steam pumping engines Assignees: None Manufacturer: Not known to have been produced Witnesses: W. A. Perry John S. Thornton	Patent Dates: Granted: Jun. 20, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to the duplex pumping engine of patent 24,838.

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