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US Patent: 100,240
Air Heater and Steam Condenser
Patentee: Benjamin F. Sturtevant (exact or similar names) - Jamaica Plain, MA USPTO Classifications: 165/121, 165/DIG.315 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Francis Gould J. B. Crosby	Patent Dates: Granted: Feb. 22, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for B. F. Sturtevant

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