Toshiba Model THA-1001, 1961
Western Electric 1A, ca. 1938
Western Electric Model 134, ca. 1945
Cochlear Nucleus 22, 1996
Dahlberg Model Magic Ear, 1956
Maico model F (Quiet Ear), 1949
Politzer's Acoumeter
Beltone Monopac Model S, ca. 1948
Silvertone Model P-15, ca. 1949
Otarion ECA-1, ca. 1961
Zenith Diplomat, ca. 1956
Maico S-1 Ultra-Power Transist-Ear, ca. 1958
Maico Transist-Ear Model V, ca. 1955
Beltone Triumph 6 Super, ca. 1961
Maico Model J, ca. 1950
Paravox Model D, ca. 1950
Otarion Listener RX, 1960
Zenith Crusader, 1955
Zenith Royal T, 1953
Tonemaster Minuet, ca. 1948
