Maico Model UE "Atomeer" Vacuum Tube Hearing Aid The Maico model UE "Atomeer" vacuum tube hearing aid was produced by Maico Electronics, Inc. of Minneapolis, MN in 1949. The name "Maico" was derived from the initials of the Medical Acoustic Instrument Company. It was a 3 vacuum tube one piece model measuring 3⅞” by 2¼" by 15/16” (9.8 x 5.7 x 2.4 cm). It weighed 4.5 oz. (128 g) without batteries. The case had a ivory-colored plastic front with a shiny chrome metal back.
|  | Click picture for larger view | | |   | | |
| Front view of the Maico model UE "Atomeer" vacuum tube hearing aid showing the round microphone grill (upper right). |  | Click picture for larger view | | | |
| Close-up view of the Maico model UE "Atomeer" vacuum tube hearing aid microphone grill. The logo consisted of a shield in the center surrounded by a black disk. The actual microphone grill was the black circle between the black disk and the ivory case. |  | Click picture for larger view | | | |
| Lower front view of the Maico model UE "Atomeer" vacuum tube hearing aid showing the model name (Atomeer). |  | Click picture for larger view | | | |
| Top view of the Maico model UE "Atomeer" vacuum tube hearing aid showing the 3-position tone control on the left and the volume control/on-off switch on the right. The two-hole receiver cord jack with the receiver cord plugged into it is in the center.
|  | Click picture for larger view | | | |
| The receiver cord plug and jacks of the Maico model UE "Atomeer" vacuum tube hearing aid shown here unplugged revealing the relatively long pins of the plug. |  | Click picture for larger view | | | |
| Side view of the Maico model UE "Atomeer" vacuum tube hearing aid showing the pocket clips. There was a corresponding one on the other side. |  | Click picture for larger view | | | |
| Rear view of the Maico model UE "Atomeer" vacuum tube hearing aid showing the battery compartment door which comprised the lower two-thirds of the back cover. |  | Click picture for larger view | | | |
| Bottom view of the Maico model UE "Atomeer" vacuum tube hearing aid showing the thumb notch to open the battery compartment door. |  | Click picture for larger view | | | |
| Inside view of the battery compartment of the Maico model UE "Atomeer" vacuum tube hearing aid. The bottom two-thirds of the back swung up to reveal the battery compartment. |  | Click picture for larger view | | | |
| Close-up view of the bottom of the battery compartment of the Maico model UE "Atomeer" vacuum tube hearing aid showing the manufacturer (Maico Co. Inc.) and location (Minneapolis U.S.A.). Also note the + (upper right) showing the proper orientation of the "B" battery for correct polarity. |  | Click picture for larger view | | | |
| Inside view of the Maico model UE "Atomeer" vacuum tube hearing aid battery compartment showing a Mallory RM-4 1.4 volt mercury "A" battery (upper center) and an Eveready No. 412E 22½ volt "B" battery (bottom). Note: the RM-4 was the largest "button" battery ever used in hearing aids. |  | Click picture for larger view | | | |
| Inside view of the battery compartment lid of the Maico model UE "Atomeer" vacuum tube hearing aid showing a label with guarantee information (top) and a warning (bottom). The warning reads, "Important: Remove batteries when exhausted or when instrument is not in use for 24 hours. Leakage of exhausted batteries will cause corrosion not covered under guarantee." |  | Click picture for larger view | | | |
| Inside view of the bottom of the battery compartment lid of the Maico model UE "Atomeer" vacuum tube hearing aid showing the model number (UE) and serial number (18313) below the label. |  | Click picture for larger view | | | |
| Front view of the receiver of the Maico model UE "Atomeer" vacuum tube hearing aid. Around the rim are the numbers "011" (bottom left) and the letters "K9" (bottom right). Also note the two "dots" (upper right). |  | Click picture for larger view | | | |
| Rear view of the receiver of the Maico model UE "Atomeer" vacuum tube hearing aid showing the Maico "M" in the center. |  | Click picture for larger view | | | |
| View of the receiver and ear mold of the Maico model UE "Atomeer" vacuum tube hearing aid shown unsnapped. The ear mold snapped on to the nubbin in the center of the receiver. |  | Click picture for larger view | | | |
| Close-up view of the receiver and receiver cord plug of the Maico model UE "Atomeer" vacuum tube hearing aid showing them unplugged revealing the equal-sized plug pins. |  | Click picture for larger view | | |
|
(If a larger picture doesn't appear, you may have to
turn your pop-up blocker off)
|
| |
