Dentists - Doctors - Inventors - Medicine - Science
Mar. 03, 1911 - Typing a Telephone Call. Paul and Sally Taylor of St. Louis are among the Hundreds of deaf persons throughout the country who now muse the telephone daily, thanks to an acoustic coupler developed by Scientist Robert Weitbrecht and a bell System program of donating obsolete teletypewriters to deaf families. The Phone rests in the coupler, which converts the teletypewriters electrical impulses to sound and vice verse. An answering service enables the tailors to call anyone
Picture No
13157938
Media ID
46123798
Size
4583px x 5597px
(1.6MB)
Credit
(c) Keystone Pictures USA/ZUMAPRESS.com/Mary Evans
Usage Restrictions
Editorial Use Only - No Property or Model Releases. For any non-editorial use, please contact Mary Evans direct
Source
Keystone Pictures USA
