AA Pianotrekkspill, ca. 1935. To kor, 8’ + 8’. 25 tangenter, 32 basser. Unisonor. Ståltoner klinket på felles zinkplater (type bandoneon). Laget på Alfred Arnold Bandoneon, Concertina und Akkordionfabrik, Carlsfeld.
AA piano accordion, ca 1935. Dual voice, 8’ + 8’. 25 keys, 32 bass buttons. Steel reeds riveted on common zinc plates, like bandoneon. Made by Alfred Arnold Bandoneon, Concertina und Akkordionfabrik, Carlsfeld.
17 x 30 x 30 cm