TromboneChat

Posted: **Tue Nov 30, 2021 5:14 pm**

Thank you for creating this! I learned a great deal and it filled a few informational gaps I had.

Posted: **Tue Nov 30, 2021 5:21 pm**

Oh nice, good job stealing BurgerBob's videos. Did you give him permission, Aidan?

The History of the Thayer Valve on the Trombone: Part 1