TO THE QUEEN'S HOST EXCELLENT MAJESTY, AND THE BRITISH ARMY AND NAVY. J. KOHLER’S NEW PATENT LEVER INSTRUMENTS. ..
... gives to these InstrumentsHre:- 1. All the Tones and Semitones produced by tlie Patent Lever are quite as perfect the Natural Notes the Instrument. . 2. The intervals in the Diatonic and Chromatic Scales are perfect, the compass greater, and the most ...