33
/it/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
1022038
313841
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Creare
Create a timeline
Public timelines
Library
FAQ

Transitor Age of Hearing Aid (1 gen 1950 anni – 1 gen 1989 anni)

Descrizione:

Bell Telephone Labratories invented new technology for hearing aid. Now they had gotten very good in comparison to other hearing aids. This hearing aid was now more comfortable and less of a hassle for users to have. Fit more discreetly behind the ear.

Aggiunto al nastro di tempo:

A Brief History of the Hearing Aid

ByBrenda Perez
28 ott 2019
0
0
201

Data:

1 gen 1950 anni
1 gen 1989 anni
~ 39 years

Immagini:

About & FeedbackAccordoPrivatezzaBibliotecaFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL