1. 
   Electronic Sackbut
   The Electronic Sackbut is an electronic instrument designed by Hugh Le Caine beginning in the 1940s. The Sackbut had a feature which resembles what has become the modulation wheel(s) on today`s synthesizers: The player used the left hand to modify the sound while the right hand was used to play the...
   Found op http://en.wikipedia.org/wiki/Electronic_Sackbut
   
   

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