Does anyone have instructions or sketches of how to build an
air pressure regulator for a pipe organ?

Thanks.
Andy Kubica

 [ Articles about pressure pumps and regulators, by Richard
 [ Vance, Hans van Oost and John Liljencrants, are presented
 [ at http://www.mmdigest.com/Gallery/Tech/index.html 
 [ "Bellows (Feeder) Pump & Regulator:"  -- Editor (Robbie)