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Posted: Thu Jun 03, 2004 8:43 am
by Jay Bertolet
Mine is mostly cylindrical, which makes sense considering the intent of the inventor.

My opinion for what it's worth...

Posted: Thu Jun 03, 2004 9:13 am
by UDELBR
It's essentially a valve contrabass trombone, so it's basically 2/3 cylindrical, and 1/3 conical.