Cornet, valved brass musical instrument that evolved in the 1820s from the continental post horn (cornet-de-poste, which is circular in shape like a small French horn). One of the first makers was the Parisian Jean Asté, known as Halary, in 1828. The tube is conical except through the three valves
Fiske 5 Valve Circular Cornet — Robb Stewart Brass Instruments
J.W. York & Sons Mellophone French Horn 1900's - Brass ans Silver
Brass instrument - Wikipedia
Early Valve Designs
Made of brass material with gold-painted surface, it has good resonance effect and clear and bright sound. This double French horn features a balanced
103 Style Double French Horn Instruments 4 Valves Divided Bell French Horn With Case Mouthpiece French Horn Instrument
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A History of the Horn, Better Known as the French Horn
John Augustus Köhler, Cornet in B-flat, British
Knopf Compensating Double Horn (no serial#) DD - Pope Horns Inc.
Multi-belled Brass
The Agility Model Marching French Horn in Bb has perfected projection, pitch and response.
Mini Bb Pocket French Horn - 3 Rotary Valves
