2004-10-30/2019-04-29 - Note from the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va., Organ Historical Society, 1991). Edited for the revised OHS Online Database website, 2017. - Established 1936 by Edmund Sobczyk; active in Milwaukee, Wisconsin, 1989. Staff: John Nolte; Robert Sobczyk. Sources: The Diapason, February 1975, 8. John Panning
2015-11-14/2019-02-11 - From the OHS Database, Builders Listing editor. Updated and revised Nov 14, 2015 - "AOS was established by Edmund Sobczyk in Milwaukee, Wisconsin, in 1936. AOS was a leading supplier of wooden pipes and electro-pneumatic chests for many years. They were well-known for the quality of their work, they made wood pipes for nearly every major organ company in the United States." Source: Nolte Organ Building website, accessed Nov 14, 2015. [John Nolte worked for American Organ Supply Co. (AOS) from 1973 to 1977, and from 1984 to 1987, building wood pipes, chests, and consoles. In 1987 he founded his own firm. He maintained close ties with AOS, scaling and voicing wood pipes for them, as well as some custom electro-pneumatic chest work.]
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