THE HOST EXCELLENT MAJESTY, AND THE BRITISH ARMY AND NAVI. J. KOHLER’S NEW I’ATENT LEVER INSTRUMENTS. J KOHLER ..
... Patent gives to these Instruments are ; I All the Tones and Semitones produced by the Patent Lever are quite perfect the Natural Notes on the Instrument. 2 The Intervals In the Diatonic and Chrokatic Scales are perfect, the compass greater, and the most ...