Double horn

Double horn (Ger.: Doppelhorn), horn in B♭ and F, produced in the late 19th c., a *duplex instr. with 2 sets of valve crooks operated by a thumb valve that adds or subtracts a length of tubing. (It adds for the F horn, subtracts for the shorter, B♭ horn.) See also: chromatic trumpet and French horn (25, 176). Sort by:DefaultAuthorTitleDateAscendingDescending Bessaraboff, Nicholas. Ancient European Musical Instruments. Boston, 1941. Sachs, Curt. Reallexikon der Musikinstrumente. Berlin, 1913.