Hi MMDers,  A while back I did a little illustration of the Seeburg
(junior) L tubing scale.  I like illustrations to visualize a scale.
I hope you find it useful.

Best wishes,
Brian Smith

 [ Seeburg (junior) L tubing scale
 [ http://www.mmdigest.com/Attachments/15/08/15/150815_093924_Seeburg_L_tubing_diagram%20-%20Copy.jpg