28 Bandonion, Zademack/Micklitz system ca 1930. To kor, 4’ + 8’, 146 toner, unisonor. Ståltoner naglet på felles zinkplater. Knapper i bakelitt med toneangivelse.  24 x 26 x 32 cm

28 Bandonion, Zademack/Micklitz layout ca. 1930. Dual voice, 146 tones, unisonor. Steel reeds riveted to common zinc reedplates. Buttons in bakelite with tone engraved. 24 x 26 x 32 cm