2004-10-30/2019-04-29 - From the OHS PC Database, derived from A Guide to North American Organbuilders, rev. ed., by David H. Fox (Organ Historical Society, 1997). - Patent awarded to Frederick L. Wood, Worcester, Massachusetts, 1906. Patent #826,397; 17 Jul. 1906; pneumatic coupler for player. Source: Information taken from the text of a United States patent.
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