Acousticon Model A-235 Eyeglass Hearing Aid The Acousticon Model A-235 eyeglass hearing aid was manufactured by Dictograph Products, Inc. of New York in October, 1956. This was Acousticon's first eyeglass hearing aid with all the electronics in one temple-piece. What is cool about this pair of glasses is that not only are they very early eyeglass hearing aids, but that there are two separate hearing aids, one in each temple piece. This was unusual back in the mid 1950s where it was considered only necessary to wear a hearing aid is one ear. |  | Click picture for larger view | | |   | | | |
| Rear view of the Acousticon Model A-235 eyeglass hearing aid showing the thick temple-pieces required to hold all the electronics. This hearing aid only used two transistors. |  | Click picture for larger view | | | |
| From the front, the Acousticon Model A-235 eyeglass hearing aid looked like any other pair of glasses. |  | Click picture for larger view | | | |
| A side view revealed the fat temple-pieces of the Acousticon Model A-235 eyeglass hearing aids. |  | Click picture for larger view | | | |
Close-up view of the microphone port of the Acousticon Model A-235 eyeglass hearing aid. The microphone was located near the tip of the temple piece behind the ear and faced out (sideways).
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| Close-up view of the sliding volume control of the Acousticon Model A-235 eyeglass hearing aid. The volume control was on the top of the temple-piece, just ahead of the wearer's ears. |  | Click picture for larger view | | | |
| Close-up view of the nubbin of the Acousticon Model A-235 eyeglass hearing aid where the ear mold tube attached to the aid. It was on the underside, just forward of the ear. (Ear mold/ear mold tube not shown.) |  | Click picture for larger view | | | |
| Close-up view of the middle inside of the temple-piece of the Acousticon Model A-235 eyeglass hearing aid showing the Acousticon logo (top), the name "Acousticon" and below it the model number (A-235). |  | Click picture for larger view | | | |
| On the inside near the tip of the temple-piece of the Acousticon Model A-235 eyeglass hearing aid were stamped the words "Pats. Pending" and "Made in U.S.A.". |  | Click picture for larger view | | | |
| The serial number (60402) of the Acousticon Model A-235 eyeglass hearing aid was crudely engraved into the bottom of the temple-piece below the microphone port. |  | Click picture for larger view | | | |
| The battery compartment door of the Acousticon Model A-235 eyeglass hearing aid was unique—it was mounted on the inside and forward of the midline of the temple-piece and swung inward. Here shown in its closed position. |  | Click picture for larger view | | | |
| Close-up view of the battery compartment of the Acousticon Model A-235 eyeglass hearing aid showing how the battery compartment door swung open to the right. |  | Click picture for larger view | | | |
| Close-up view of the battery compartment of the Acousticon Model A-235 eyeglass hearing aid showing a No. 675 mercury battery inserted there. |  | Click picture for larger view | | | |
| Sales flyer included with the Acousticon Model A-235 eyeglass hearing aid showing the services provided by the hearing aid dispenser. |  | Click picture for larger view | | | |
| Obverse side of the sales flyer included with the Acousticon Model A-235 eyeglass hearing aid giving a 25 cent discount on a package of No. 675 hearing aid batteries. |  | Click picture for larger view | | | |
| The Acousticon Model A-235 eyeglass hearing aid in its case. |  | Click picture for larger view | | | |
| Outside view of the Acousticon Model A-235 eyeglass hearing aid case.
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