Rino - Meister Kurt Knoth of Markneukirchen single Bb horn with an F-attachment inserted in the stopping valve receivers with 4RV and a Stellventil/switch valve

1. Disassembled view #1

2. Slide view #1

3. Disassembled view #2

4. Body view #1

5. Valve section view

6. Body view #2

7. Slide view #2

8. Valve tubing receivers