2004-10-30/2019-10-15 - 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 Claudius Wadsworth Jr., Brooklyn, New York, 1904. Patent #750,919; February 2, 1904; pneumatic windchest. Source: Information taken from the text of the United States patent listed above.
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