York Monster Eb tuba 3-to-4 top-valves conversion project

1. New valve assembly

2. Completed

3. York BBb 4 piston cluster

4. Completed view #2

5. Original

6. Element for the valve block

7. Bell off

8. Disassembled

9. Text on YorkMonsterEb4TPValveProjec_Page_1

10. Text on YorkMonsterEb4TPValveProjec_Page_2

11. Text on YorkMonsterEb4TPValveProjec_Page_3