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Silver with black plastic insert transistor tube body aid, oblong microphone grill on front, two dials on top, plug on side for ear receiver, battery door swings out from lower back side.

Clear plastic over silver color, 3 vacuum tubes, one-piece body aid, with gold circular design on upper front for microphone grill with "ZENITH" noted, vertical lines form a design on front, middle is silver with two clips on each side, 2 dials on top, one plug for ear receiver/cord and battery door is removable from bottom half.

One body aid device with grillwork on the front with a single volume control dial. Ivory colored plastic and metal.

One stainless steel body aid with black casing, gold clip on front with microphone on clip. Loudness and volume control, and on/off switch available.

Body aid, gold metal upper and back portion with a clear plastic cover over grey plastic on the bottom front. "MAICO" on front with design. Two dials on top, two gold clips on each side of aid, cord in box and box in mint condition. Entire back opens from the top to change batteries. Serial number 10949. Model identified from Berger inventory. Original box included.

Body Aid, dark brown in color, with three-vacuum tube, two-piece set. The tone and volume controls are on top of the aid and two large batteries are used for power. Cord connects earpiece with body aid.

Dark brown plastic body aid with 2 vacuum tubes, 2 piece unit, battery cable, earphone cable, and earphone receiver. Microphone grill on front, volume control on top, with "Z" noted on front center. In original box.

One enameled beige colored body aid with oblong shaped grill on right front for microphone, 5 raised lines on center, dial on top, cord and receiver. Serial 11986. Box included.

Dark brown in color, one microphone, earphone, and two battery cases. One battery case has plugs to allow the microphone to be placed on a table; the other battery case can be used in a pocket. The microphone has a key on the back for a 5 step loudness adjustment and the earphone it fit with a nipple insert. Original box and instructions. Manufactured for 25th anniversary of Deutsch Akustic.

Black metal (flat finish) trumpet device with a London Dome style receptor with a "pointed" appearance. Curved earpiece is attached to the upper portion of the receptor.

Celluloid double parabolic trumpet device. The design features two opposing parabolic balls with a long earpiece extending from the smaller ball within the receptor part. Light yellow in color.

Curved tortoiseshell miniature trumpet with vulcanite eartip. Receptor has piece broken off.

Black enameled brass miniature trumpet with oversized receptor section in proportion to the earpiece section. Eartip is made of metal.

Brown ebonite trumpet otophone device featuring a diaphragm section for the user to hold against their ear. Includes one box with lid. Lid contains instructions for use.

One Audi-ear sound conduction device that consists of one transparent plastic earpiece that resembles a shell to be worn over the ear using a wire clip. The device contains 3 ivory or white plastic eartips. The original box is a black hinged box that contains niches for the eartips and the device. American Earphone Co.