2004-10-30/2019-09-22 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). — Father of Gottlieb Mack; with the Roosevelt firm of New York City, New York, pipemaker; established his own pipemaking firm [George Mack & Son] in Bloomfield, New Jersey, with his son, 1893; relocated to Coburn Organ Co. shop in Chicago, Illinois, 1900; (with Aeolian firm?) in Garwood, New Jersey, 1925. Sources: The Diapason April 1925, 2. Stopt Diapason Newsletter #27 (Hoffman Estates, IL: Chicago-Midwest Chapter of the Organ Historical Society). Barbara J. Owen and Thomas Cunningham, "New Revised Builders List", The Tracker: 9:3 (Richmond, Va.: Organ Historical Society, 1965), 13.
2015-09-30/2020-04-09 - See main entry: Roosevelt Organ Works
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