Lori Model C In-the-Ear Transistor Hearing Aid The Lori Model C full-shell in-the-ear hearing aid was manufactured by ??? of ??? in 1991. Front view of the Lori Model C hearing aid showing the vent hole (left edge) and sound tube (center). This hearing aid is molded for the left ear. |  | Click picture for larger view | | |   | | | |
Close-up view of the front of the Lori Model C in-the-ear hearing aid showing the name and model (Lori C) and serial number (9102426). The 91 at the beginning of the serial number denotes the year (1991).
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| View of the back of the Lori Model C in-the-ear hearing aid showing the vent hole (extreme left), the volume control (left center), the battery compartment door (right center). The "trim pot" likely for tone (adjusted by a screwdriver) is located above the volume control.
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| View of the back of the Lori Model C in-the-ear hearing aid showing the battery compartment door opened. This hearing aid took a No. 13 zinc-air 1.4 volt battery such as the Rayovac 13 battery. Note the plastic "dome" covering the microphone port (immediately above the battery compartment door at the 12 o'clock position). Sound entered through a tiny slot on the side of the dome.
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| Side view of the Lori Model C in-the-ear hearing aid.
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