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US Patent: 183,446
Improvement in variable cut-offs for direct-acting engines
Patentee: Benjamin Brazelle (exact or similar names) - St. Louis, MO USPTO Classifications: 91/310, 91/331 Tool Categories: propulsion and energy : steam engines : steam engine valves Assignees: None Manufacturer: Not known to have been produced Witnesses: William W. Herthel Charles F. Meissner	Patent Dates: Applied: Jan. 26, 1876 Granted: Oct. 17, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Brazelle Engine Co.

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