I am working on a National coin piano with 8-roll changer and I
am missing the "tilting yoke" control valve and was wondering if
if anyone has an extra one or one you can loan to me so I could
make a copy of it. A photo is attached.

David Goodwin
Federal Way, Washington

[ Tilting Yoke control valve
[ https://www.mmdigest.com/Attachments/25/10/19/251019_181130_IMG_0134.jpeg