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... gives to these Instruments are:— 1. All the Tones and Semitones produced by the Patent Lever are quite as perfect as the Natural Notes on the Instrument. 2. The intervals the Diatonic and Chromatic Scales are perfect, the compass greater, and the most rapid ...
... to these Instu- ments are : — 1. All the tones and Semitones produced by the Pat. Nt Lever are quite as perfect as the natural notes on he Instrument. 2. The invervals in the Diotonic and ChbomjU-C Scales are perfect, the compass greater, and the n ost ...