2004-10-30/2019-11-26 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). — Born 1873; father of Benjamin F. Sperbeck; with Louisville Pipe Organ Co. of Terre Haute, Indiana, [1928-1930] secretary-treasurer; with Moline Organ Co., [1879-1891] of Moline, Illinois; with successor Lancashire-Marshall [1872-1902] and Marshall-Bennett [1902–1908] firms; established his own service firm. Sources: The Diapason July 1924, 16. The Diapason February 1930, 2. The Diapason April 1976, 11. The American Organist January 1968, 22.
2019-11-27/2019-11-27 - From Organ Database Builders editor Stephen Hall, November 26, 2019. — The line "with Louisville Pipe Organ Co., secretary-treasurer" is out of chronological order, it probably should be the last line in the entry. If so, the history would be: With Moline Organ Co., c. 1889 (age 16) to its closing 1891. With Lancashire-Marshall, Moline, Illinois, 1891-1902. With Marshall-Bennett, Moline, Illinois, 1902-1908. Operated his own service firm, location(s) unknown, 1908-1928. Secretary-treasurer of Louisville, Indiana, 1928-1930.
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