Posted by Chuck(G) on August 20, 2002 at 16:09:41:
In Reply to: bore measurement? posted by rbastedo on August 20, 2002 at 15:21:34:
The customary way to do this (on any tuba) is to pull the second tuning slide and measure the inside diameter of the slide. This will give you a one-number bore. If you're dealing with a graduated bore, repeat the procedure for all branches.