ILLUSTRATIONS OF VARIOUS PIPE ORGAN REGULATORS:

(Taken from photos and diagrams sent to our knowledge base by members of the Theatre Organs Mailing List. )

( Photos 1-6 courtesy of John Abson)
Photos of a Compton traps regulator.
Compton regulator with cover removed
Compton traps regulator valve detail  
Thanks to John for sharing these photos. Schematic of Compton Traps Regulator
(Photo courtesy of Buddy Boyd)
Illustration of a three-valve organ regulator
(Photo courtesy of Buddy Boyd)
Illustration of a "Winker" type regulator.