FR96E - Appareil d'enregistrement automatique de toute improvisation exécutée sur le piano, l'harmonium et le grand orgue et sur tous instruments à clavier
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Appareil d'enregistrement automatique de toute improvisation exécutée sur le piano, l'harmonium et le grand orgue et sur tous instruments à clavier
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FR96D1901-10-281902-02-11Appareil d'enregistrement automatique de toute improvisation exécutée sur le piano, l'harmonium et le grand orgue et sur tous instruments à clavier
ExpiredFR96E
(fr)
Appareil d'enregistrement automatique de toute improvisation exécutée sur le piano, l'harmonium et le grand orgue et sur tous instruments à clavier
An elementary treatise on musical intervals and temperament: With an account of an enharmonic harmonium exhibited in the loan collection of scientific instruments, South Kensington, 1876, also of an enharmonic organ exhibited to the Musical Association of London, May, 1875
A Device for Simplifying the Playing of Music on Pianofortes, Organs, and like Instruments, consisting of a Special Keyboard & specially Written Music.