MedTech Memoirs: Hearing Aids
From: Medical Design Technology - 07/07/2015
By: Sam Brusco

The first hearing aids relied entirely on acoustics in order to amplify
sound. As far back as the thirteenth century, horns, trumpets, and speaking
tubes assisted the hearing-impaired by providing moderate augmentation that
“funneled” sound into the ear. The first "official" mention of a hearing aid
was introduced in 1588 in a book entitled Natural Majick, in which the author
describes wooden hearing aids carved into the shapes of the ears of those
animals deemed to have superior hearing.

Read the entire article at:
http://www.mdtmag.com/blogs/2015/07/medtech-memoirs-hearing-aids

Link:
This New Hearing Aid Design Is an Earful
http://www.mdtmag.com/blogs/2015/05/listen-new-hearing-aid-design-earful