Zenith "Westwood" Behind-the-Ear Hearing Aid The Zenith "Westwood" behind-the-ear hearing aid was manufactured by the hearing aid division of the Zenith Radio Corp in 1969. The box says contains "microlithic circuitry" which was Zenith's first integrated circuit that came out in 1964. |  | Click picture for larger view | | |   | | |
| Rear view of the Zenith "Westwood" showing the microphone port (notch at the very top), the volume control wheel (center left) and the closed battery door (bottom). The battery door also acted as the on-off switch.
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| Front top view of the Zenith "Westwood" showing the microphone port (groove on the left). Note that this picture is of the Zenith "Westwood" sub-model "CM" (ceramic microphone). This sub-model's serial numbers began with 200001). The serial model on this aid was 203144. The rest of the pictures on this page are of the Zenith "Westwood" sub-model "B". The sub-model "B" serial numbers began with B10001. In this case, the sub-model "B" hearing aid had the serial number B14892. |  | Click picture for larger view | | | |
| Side view of the Zenith "Westwood" showing the pulled-down battery door. This hearing aid used a No. 13 battery. |  | Click picture for larger view | | | |
| Side view of the Zenith "Westwood" showing its size.
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