Symphonion Musikwerke, Leipzig. With 12 automatic changing discs of Ø 21 ¼ in., 120 teeth in steel comb (complete), plus 10 optional saucer bells, the upper section of the case with visible motor, pulleys and changing mechanism, the lower section with selection cards and extending selection crank, in carved walnut case with glazed door, turned supports and pediment, height 100 in. (250 cm). The powerful coin-activated spring motor has the capacity to play all 12 discs one after the other. - Excellent restored playing condition, a unique musical movement, with impressive design, technology and tone! - Literature: Bowers, "Encyclopedia of Automatic Musical Instruments", p. 230; K. McElhone, "The Disc Musical Box", p. 164.