Knee-stop
A lever controlled by the knees of the performer, used in the harmonium or cabinet organ either to operate the swell or to put on or off the full power of the instrument.
Klengel, A. A. Composer, pianist. B. 1784; d. 1852.
Klindworth, C. (klint-worth). Pianist; Germany. B. 1830. Köhler, L. Pianist, composer; Germany.
B. 1820; d. 1886.
KOPPEL