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Material
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Audiometer, model 250

Audiometer, model 250

1960-1975
Audiometer, model TB60

Audiometer, model TB60

1970-1980
Audiometer, model 115

Audiometer, model 115

1969-1972
Audiometer, model 51

Audiometer, model 51

1958-1968
Audiometer, model 90

Audiometer, model 90

1966-1973
Qualitone audiometer with instruction manual, made by the Qualitone Company, Minneapolis, U.S.A., 1960-1965.

Qualitone audiometer with instruction manual

1960-1965
Audiometer, for measuring hearing ability, by Amplivox, London, England, c.1965

Audiometer, by Amplivox, London, England, c. 1965

1965
Politzer's acoumeter, steel with bone frame, by, Heinrich Reinder Vienna, 1875-1910

Politzer's acoumeter

1875-1910
Audiometer, model 1701, by Grason-Stadler, Littleton, New Hampshire, U.S.A., 1970-1980

Audiometer, model 1701

Audiometer, model 83, with felt cover, and accessories in lockable front compartment, by Amplivox Limited, London, England, 1962-1969.

Audiometer, model 83

1962-1969
Audiometer, model 70, with leather and canvas cover, and accessories in lockable back compartment, by Amplivox Limited, London, England, 1958-1968.

Audiometer, model 70

1958-1968
Audiometer, model 215, built into carrying case, with accessories, by Amplivox Limited, London, England, 1974-1977.

Audiometer, model 215

1974-1977
Audiometer, model 210, built into carrying case, by Amplivox Limited, London, England, 1974-1977.

Audiometer, model 210

1974-1977
Audiometer, model AP32, by A Peters & Sons, Sheffield, England, 1970-1980.

Audiometer, model AP32

1970-1980
Bekesy chart recorder, model AP81, by A Peters & Sons, Sheffield, England, c1965-1975.

Bekesy chart recorder

1965-1975
Audiometer, model AP31, by A Peters & Sons, Sheffield, England, 1965-1975.

Audiometer, model AP31

1965-1975
Audiometer, model AP24, by A Peters & Sons, Sheffield, England, 1970-1980.

Audiometer, model AP24

1970-1980
Audiometer, "Oscilla", by Danavox, Aarhus, Denmark, 1965-1980.

Audiometer, "Oscilla", by Danavox

1965-1980
Audiometer, model OB70, by Madsen Electronics, Ontario, Canada, 1965-1975.

Audiometer, model OB70

1965-1975
Audiometer, model 1715, by Grason-Stadler, Littleton, New Hampshire, U.S.A., 1970-1980

Audiometer, model 1715

1970-1980
Diagnostic Audiometer, model 103, with felt cover, and accessories in top opening compartment, by Amplivox Limited, London, England, 1965-1972.

Diagnostic Audiometer

1965-1972
Audiometer, model 82, with felt cover, and accessories in lockable front compartment, by Amplivox Limited, London, England, 1962-1969.

Audiometer, model 82

1962-1969
Audiometer, model BA7, by Kamplex, London, England, 1974-1978.

Audiometer, model BA7

1974-1978
Audiometer, model AP6, by A Peters & Sons, Sheffield, England, 1965-1975.

Audiometer, model AP6

1965-1975
Audiometer for testing hearing, in wooden case, by Amplivox Ltd., London, 1951-1960.

Audiometer for testing hearing

1951-1960