Cornet Omnitonique
Gautrot aîné French
Not on view
Patented in 1847, this cornet has Périnet valves and can be made playable in the keys of B-flat, A, A-flat, G, F, E, E-flat, and D by pulling out the slide, turning the valve, or doing a combination of both. The invention made it possible to avoid exchanging independent extension tubes to effect a change of key.
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