an instrument which he calls the bell piano. As its name implies it is a piano-like instrument in which bells are substituted for the strings. Details of the iastrument are shown in the accompanying engraving. Patent ' _Departmen AN IMPROVED RAILWAY SPIRE. A PIANO-LIRE INSTRUMENT IN WHICH BELLS ARE SUBSTITUTED FOR THE USUAL STRINGS., scientific american, 1908-03-21
an instrument which he calls the bell piano. As its name implies it is a piano-like instrument in which bells are substituted for the strings. Details of the iastrument are shown in the accompanying engraving. Patent ' _Departmen AN IMPROVED RAILWAY SPIRE. A PIANO-LIRE INSTRUMENT IN WHICH BELLS ARE SUBSTITUTED FOR THE USUAL STRINGS., scientific american, 1908-03-21
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