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MMD > Archives > September 1997 > 1997.09.01 > 05Prev  Next

20-Note Organ Scale
By Wolfgang Brommer

Dear friends,  Robbie asked about the 20-note organs:

The scale of the 20 note organs: between the holes the distance middle to
middle of the hole is: 3.857 mm (millimeters).  [ This is exactly 7 holes
in 2.7 centimeters. -- Robbie ]

Carl Frei made for some organs 20 notes plus 2 extra holes for the double
bass-pipe and a moving figure.  The paper is exactly 11 cm wide.  The
normal 26-note music-roll you can't play on this scale.

All the music-rolls which you can get for the 20-note organ with 11-cm
paper you can play on all organs built in Germany.  The scale was
published by Carl Frei Senior, and the other factories which came later
used this scale.  I  hope this will help you.

Yours sincerely

Wolfgang Brommer, Organ Masterbuilder

(Message sent Mon 1 Sep 1997, 09:03:00 GMT, from time zone GMT+0100.)

Key Words in Subject:  20-Note, Organ, Scale

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