Allgäuisches Waldhorn
Allgäuisches Waldhorn (Ger.: horn of the Allgau), Austrian term for an alphorn in trumpet form; also for a 16th-c. alphorn with helical coils and a tube ca. 3 m. (10 ft.) long (117). Klier, Karl M. Volkstümliche Musikinstrumente in den Alpen. Kassel, 1956.