Anatomy of a WurliTzer Theatre Pipe Organ
Looking at a Primary Pneumatic, upside down, on the Primary Rail for a Manual Chest.
This is actually for the 8' Flute Offset Chest. It is the same design as the Manual/Main Chests, just the
spacing is greater which makes it easier to see.
The valve assembly screws into the center of the Primary Pneumatic.
The pneumatic is connected to the Magnet through the hole that can be seen in the vertical wood behind