2004-10-30/2019-09-03 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). — With W. H. Reisner Manufacturing Co. firm of Hagerstown, Maryland, 1924, superintendent, vice president. Patent #1,587,380; June 1, 1926; magnetic valve for organ. Source: The Diapason, April 1924, 18.
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