Yamaha Cornets Owner's Manual page 4

Nomenclature
■ Trumpet
Mouthpiece Receiver
Mouthpiece
1st Valve Slide Hook
■ Cornet
Mouthpiece
1st Valve
Slide Hook
1st Valve Slide
16
1st Valve
Cap
Lead Pipe
1st Valve Slide
2nd Valve Slide
1st Valve
Mouthpiece
Receiver
Cap
Lead Pipe
2nd Valve Slide
Main Tuning Slide
2nd Valve
3rd Valve
Finger Hook
3rd Valve Slide
Cap
3rd Valve
Slide Ring
Valve 3rd Valve Slide
Casing Stopper Screw
2nd Valve
3rd Valve
Finger Hook
3rd Valve Slide Ring
Valve Casing
Bell
3rd Valve
Water Key
Main Water
Key
Main Tuning Slide
Bell
3rd Valve Slide
Main Water Key
3rd Valve
Water Key