Hearing aid
Medical Devices & Assistive Technology

Hearing aid

Acoustic predecessors; electrical forms from the late 19th century

A hearing aid assists hearing by gathering or amplifying sound. Ear trumpets were followed by electrical, transistor and digital devices with increasingly compact microphones and receivers.

About this artifact

A hearing aid assists hearing by gathering or amplifying sound. Ear trumpets were followed by electrical, transistor and digital devices with increasingly compact microphones and receivers.

Sources & image credits

Reference article โ†—

Documented physical example or historical image. See the original image record for its subject, date and any reconstruction details.

Image: Vintage Telex Transistor (Body) Hearing Aid, Model 70A, Made in the USA (12483173304).jpg
Creator: Joe Haupt from USA
License: CC BY-SA 2.0

Original image & attribution โ†— ยท License terms โ†—

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