Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

jan 1, 1891 - Aukophone is developed by Miller Reese Hutchinson, the very first hearing aid

Added to timeline:

1.2 - ASL

1 Oct 2018

0

0

467

Date:

jan 1, 1891

Now

~ 134 years ago

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL