Electro-Ear Model 5 Carbon Hearing Aid The Electro-Ear Model 5 carbon hearing aid was made by the American Earphone Co. of New York, NY around 1938. The black-colored metal case measured 5¼" x 2⅜" x ¾". It weighed 6¼ oz. without the batteries. |  | Click picture for larger view | | | | | |
| Top view of the Electro-Ear Model 5 showing the sliding on-off switch (center) in the "on" position.
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| Close-up view of the upper front of the case showing the nameplate. The microphone grill consists of 4 curved slots surrounding the nameplate.
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| Rear view of the Electro-Ear Model 5 showing the pocket clip (top center).
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| Inside view of the Electro-Ear Model 5 showing the carbon microphone (upper half) and the battery compartment (lower half). The battery door swings open to the left. The Electro-Ear Model 5 used 3 AA sized batteries in series to give it 4.5 volts.
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| Close up of the carbon microphone seen from the rear. The sliding on-off switch is at the top center.
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| Close-up view of the hard black ear mold (left) and the receiver (right). The ear mold snaps onto the receiver nubbin.
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| View of the American Earphone Co. logo (AE) on the back of the receiver (left), and the top view of the custom hard black ear mold (right).
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| Left side view of the Electro-Ear Model 5 showing the "leg" to prop it up in its closed position. |  | Click picture for larger view | | | |
| Left side view of the Electro-Ear Model 5 showing the "leg" to prop it up in its open position. |  | Click picture for larger view | | | |
| Top view of the Electro-Ear Model 5 showing how propping up the unit allows the sound to better reach the microphone.
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