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| The Hearing Aid Museum | Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more! | | | |
| Click on the "General Information" button (top button above) for an overview and general information on this category of hearing aid. | | Behind the Ear (BTE) Transistor Hearing Aids | Zenith "Delegate B" Behind-the-Ear Hearing Aid The Zenith "Delegate" sub-model "B" behind-the-ear hearing aid was manufactured by the hearing aid division of the Zenith Radio Corp in 1965. The serial number is DB954. This was a 4-transistor hearing aid. The Zenith "Delegate" originally sold for $275.00. |  | Click picture for larger view | | |   | | | | Side view of the Zenith "Delegate" sub-model "B" showing how the battery door swings down. This hearing aid used the rather uncommon No. 41 battery. The battery door also acted as the on-off switch. The volume control is the wheel on the back to the left of the battery door. The microphone port is in the center of the bottom. |  | Click picture for larger view | | | | | Side view of the Zenith "Delegate" sub-model "B" showing its size.
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