This infographic from Bluebird Care provides a historical timeline of how the hearing aid has arrived in our time, from the Ear Trumpet to the ground breaking In-Ear Amplifiers.
[Click here for full size version]
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This infographic from Bluebird Care provides a historical timeline of how the hearing aid has arrived in our time, from the Ear Trumpet to the ground breaking In-Ear Amplifiers.
[Click here for full size version]