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GB Patent: GB-189,505,185
Improvements in Turbine Water-Wheels.
Patentees: Asa M. Swain (exact or similar names) - Tyngsborough, Middlesex County, MA Charles F. Perkins (exact or similar names) - Brookline, Norfolk County, MA Anson K. Cross (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: Tool Categories: propulsion and energy : water power : water wheels : turbine water wheels Assignees: None Manufacturer: Swain Turbine & Mfg. Co. - Nashua, Hillsborough County, NH Witnesses: none listed	Patent Dates: Applied: Mar. 12, 1895 Granted: Jul. 13, 1895 Patent Pictures: Espacenet patent Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Swain Turbine & Mfg. Co.

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