I am attempting to help a client in New York City with a Hamburg
Steinway Model O with an early Welte reproducing system.  Sometime in
the 'seventies it was worked on and a part of that work was to convert
the tracker bar to play Ampico rolls.  This makes little sense to me
but I am sure anything is possible.

The original pump was replaced with a box type turbine pump available
from PPCo.  The original remote pump is still with the piano.  It
appears to have a direct current motor.

The Welte controls (for Tempo, Re-roll, etc.) are written in German.

My questions are:

1. What type of Welte music rolls would this system have
   originally used?  (Green, Red, etc.)

2. Does a tubing schematic exist for this early Welte system?

3. Are these pianos desirable from a collector's standpoint?

4. Does anyone have an interest in this piano, or better yet,
   does anyone have experience with servicing or rebuilding one?

I would truly appreciate any info concerning this piano.  I also
have many photos of the instrument and the player system.  I would
enjoy private emails as well as public responses for the benefit
of this group.  Thank you.

Herbert Lindahl
South Windsor, Connecticut
http://www.herblindahlpianotuning.com/ 
pianosdude@erols.com.geentroep [delete ".geentroep" to reply]