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Brass Instruments With Holes

Photograph of a Serpent

Serpent

Three different cornetts: mute cornett, curved cornett and tenor cornett

Cornett/Cornetto/Zink

Brass Instruments With Keys

Photograph of a (partially) keyed serpent

Keyed Serpent

Photograph of a keyed bugle

Keyed Bugle

Photograph of four ophecleides

Ophicleide

Brass Instruments With Slides

Photograph of a sackbut.

Sackbut

Photograph of a trombone.

Trombone

Brass Instruments With Rotor Valves

Activating a valve opens up air pathways to extra tubing, lowering the pitch of the instrument.

Close-up photograph of rotary vales on an instrument.
Diagram of the airflow of rotary valves.

Brass Instruments With Piston Valves

Activating a valve opens up air pathways to extra tubing, lowering the pitch of the instrument

Close-up photograph of piston vales on an instrument.
Diagram of the airflow of piston valves.