On-line Hearing Aid Museum

Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more!

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General Info

Non-Electric

Carbon

Vacuum Tube

Transistor (Body)

Transistor (Ear)

Cochlear Implants

Miscellaneous

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Miscellaneous—Hearing Aid Battery Testers

Hearing Aid Battery Testers

	Acousticon Battery Tester (~1930) (H438, B206)

	Aurex Dual-Range Battery Tester (1940s) (H442)

	CE Hearing Aid Battery Tester (~2005) (B509)

	Beltone Hearing Aid Battery Tester (~1945-1950) (B423)

	Eveready Battery Tester (~1950) (H446)

	GenDryBat Earphone Battery Tester (~1930) (H754)

	Graybar Battery Tester (~1930) (B284)

	Hal-Hen A/B Battery Meter (Hearing Aid Battery Tester) (~1945-1950) (B71)

	Hal-Hen Transistor Battery Tester (1950s) (H455)

	Hal-Hen Hearing Aid "Button Battery" Tester (2001) (B467)

	Leader (Voltmeter) Battery Tester (~1945) (B551)

	Leader (Ammeter) Battery Tester (~1945) (B555)

	Sonotone (Lamp) Battery Tester (~1930) (H470)

	Sonotone Battery Tester (1930s) (H471)

	Sonotone Model 521 Battery Meter (~1935-1945) (H472)

	Sonotone A/B Battery Meter (~1945-1950) (H473)

	Sonotone Dual-Range Battery Tester (~1947-1952) (H474)

	Sterling A/B Battery Meter (Hearing Aid Tester) (~1945-1950) (H479)

	Sterling Hearing Aid (Battery) Tester (~1940) (H478)

	Telex Hearing Aid Battery Tester (~1940) (H480)

	Telex Deluxe Hearing Aid Battery Tester (~1950) (H481, B550)

	Yankee Battery Tester (~1930) (H489)

	Zenith Hearing Aid Tester (Battery Tester) (~1942) (B208)

	Zerad A/B Battery Meter (Hearing Aid Battery Tester) (~1945-1950) (H490)

	Zerad Hearing Aid Battery Tester (~1950) (H491)