TubaForum.net

Posted: **Tue Dec 19, 2023 4:51 am**

Happy Tuba Tuesday. The Museum features a Lyon and Healy, E flat helicon, 3 piston, ca.1900.

Bell: 11 3/4”, Bore: .560.

https://simonettitubacollection.com/ins ... ousaphone/

Posted: **Tue Dec 19, 2023 6:40 am**

It's got a knob on the bottom.

I wonder how that compates to a ball?

Tuba Tuesday: Lyon and Healy, E flat helicon, 3 piston, ca.1900