J. KOHLER'S NEW PATENT LEVER INSTRUMENTS. jKOHLER, 35, HENRIETTA STREET, • Covitur GARDEN, having perfected and ..
... Navy. The advantages of this Patent are :- 1. All the Tones and Semitones produced by the Lever are as perfect as the Natural Notes on the Instrument. 2. The intervals in the DIATONIC and CHROMATIC SCALES are perfect, the compass greater, and the most ...