There was a lot of interest in the Gulbransen player a few weeks back.
Prior to 1926 Gulbransen used a glued stack, these stacks were very
difficult to repair.  Sometime in 1926 they changed to the new style
of stack where the individual pneumatic could be removed.

I am rebuilding a new style Gulbransen and if anyone has a shop manual
laying around I would be more than happy to pay someone to make a copy
of either of the new or old style manual.  Thank you

Robert Schmauder