3rd valve ring-slide invention

Discussion in 'Trumpet Discussion' started by Johnnyzen, Apr 5, 2009.

  1. Johnnyzen

    Johnnyzen New Friend

    Apr 3, 2009
    When was the 3rd valve slide-ring added to the trumpet-cornet? Was it fairly recent? thanks. I saw a pro horn from the 50s for sale that did not have a ring, a Getzen I believe.

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