Melodium

Melodium 1. very small portable harmonium made from 1844 on; 2. an early name of the *American organ; 3. monophonic *electrophonic instr. of the electronic type, developed by H. Bod and O. Vierling of Berlin ca. 1940, controlled from a keyboard (W. Meyer-Eppler, Elektrische Klangerzeugung, Bonn, 1949).