Posted by Art on October 23, 2000 at 23:32:36:
In Reply to: Stuffy 3rd Valve - Helicon posted by Matt Chin on October 23, 2000 at 12:42:47:
I took apart an old sousaphone and found a patch that had been applied to the inside of a curved segment 3rd valve tubing. It was a very sloppy patch, but the outside was neatly smoothed over so that it looked professional. I have no idea who did the repair, but I found the horn in New Jersey.