The 30-note Piano Melodico was made by Spaeth of Gera, and not by
the more common Racca. There are a few of them in Great Britain.
I have arranged music and the scale is as follows. The 29 intervals
are, from the bass: t,t,st,t,t,st,st,st,t,st,st,st,t,t,st to the top.
Nicholas Simons, GB
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