Hearing Aid - Sonotone

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Item ST 30084 Hearing Aid - Sonotone, '200', 1956

Summary

Sonotone Model 200 Transistor (Body) Hearing Aid. The Sonotone Model 200 transistor body hearing aid was manufactured by Sonotone Corp in 1956. The polished aluminum case measured 3" by 1¾" by about ?" thick and weighed 4¾ oz with the battery. This hearing aid had 4 transistors arranged to work in a push-pull (PP) amplifier. It also had automatic gain control (AGC).

Physical Description

Silver metal rectangular box with gold star on the front and volume control on the top right hand corner.

More Information

Collecting Areas

Medicine & Health
Acquisition Information

Donation from Myer Emporium Ltd, 18 Jul 1978
Manufacturer

Sonotone Corp, Elmsford, New York, United States of America
Inscriptions

Inside battery cover: SONOTONE / 200 / SEE PATENT NOTICE / IN INSTRUCTION BOOK / 118215 / SONOTONE CORP., ELMSFORD, N.Y. U.S.A.
Model Name or Number

200
Brand Names

Sonotone (Hearing Aids)
Classification

Medicine & health, Medical technology, Prosthetics
Category

History & Technology
Discipline

Technology
Type of item

Object
Overall Dimensions

46 mm (Width), 16 mm (Depth), 78 mm (Height)
Keywords

Hearing Aids

CULTURAL SENSITIVITY MESSAGE – Please read

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Item ST 30084 Hearing Aid - Sonotone, '200', 1956

Summary

Physical Description

More Information

Collecting Areas

Acquisition Information

Manufacturer

Inscriptions

Model Name or Number

Brand Names

Classification

Category

Discipline

Type of item

Overall Dimensions

Keywords