Hi Group,  I just inherited what I found out was a Wurlitzer Automatic
Player Piano with a magazine that rotates music rolls of 3-5 songs
each.  The instrument is a little larger than an upright piano, with
stained glass, and I think it is referred to as a style 1-X.  It plays
pretty good at the drop of a nickel, but I am told that I should keep
motor oil in the gearbox at the bottom.  I haven't played it much
fearing that I would damage the gears until I found out (1) What kind
of oil is used and (2) How much should be put in?

The manual that came with it tells about an "oil level gauge" but
I can't find anything that looks like a clear window or gauge on the
gear box (this converts the motor shaft rotation to the bicycle-like
pumping action).  Can anyone make any suggestions?

Thank you,
Clark McNally