2005 P.Missin - Details

German Patent 378100

Granted in 1922 to Walter Dietze of Fockbek bei Rendsburg, Germany. This design has a front and a rear set of reeds. Pushing a button closes off the reed nearer the mouthpiece and opens the reed behind it:

Presumably the rear set of reeds was intended to be tuned one semitone higher than the front set.


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