> The roll paper is 10-1/4 inches wide with about 6 perforations
> per inch.  The spool has a small round hole in the left flange
> and a square hole in the right flange.  The flanges are wood.  If
> anyone can identify what this roll goes to, please let me know.

The Editor is correct.  58-note rolls at 10-1/4" width, perforated
six holes to the inch, were made for the Story and Clark range of
player organs.  Rolls were made by both QRS and Story and Clark for
this scale.  I used to have one such organ but sold it last year.

Nicholas Simons, GB