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Zenith "Royal-T"
Transistor (Body) Hearing
Aid (1953) |
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Zenith "Super Royal-T" Transistor
(Body) Hearing
Aid (1953) |
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Zenith "Ultra Royal-T" Transistor
(Body) Hearing
Aid (1954) |
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Zenith "Royal M" Transistor (Body) Hearing
Aid (1954) |
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Zenith Model 75-X Transistor (Body) Hearing Aid (1954) |
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Zenith Model 50-X Transistor (Body) Hearing
Aid (1955) |
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Zenith Model 85-X Transistor (Body) Hearing Aid (1955) |
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Zenith "Crusader" Transistor (Body) Hearing Aid (1955) |
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Zenith "Regent" Transistor (Body) Hearing Aid (1955) |
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Zenith "Crusader-X" Transistor (Body) Hearing Aid (1956) |
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Zenith "Crest" Transistor (Body) Hearing Aid (1956) |
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Zenith Model 50-R Transistor (Body) Hearing Aid (1957) |
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Zenith "Premier" Transistor (Body) Hearing Aid (1959) |
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Zenith "Heritage" Transistor (Body) Hearing Aid (1959) |
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Zenith "Extended Range" Transistor (Body) Hearing Aid (1960) |
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Zenith "Courier" Transistor (Body) Hearing Aid (1960) |
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Zenith "Envoy" Transistor (Body) Hearing Aid (1960) |
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Zenith "Super Extended Range" Transistor (Body) Hearing Aid (1962) |
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Zenith "Sentry CDR" Transistor (Body) Hearing Aid (1962) |
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Zenith "Royal Regent" Transistor (Body) Hearing Aid (1964) |
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Zenith "Extended Life Power Aid" Transistor (Body) Hearing Aid (1970) |
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Zenith "Dynamic Range" Transistor (Body) Hearing Aid (1971) |
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Zenith "Vocalizer III" Transistor (Body) Hearing Aid (1972) |
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