// todo need optimize like in event.jsp. Add indexing or not indexing this page. Process of Making The Harmonic Telegraph & a Voice Transmitting Device (1 Jan 1873 Jahr – 31 Dez 1875 Jahr) (Band der Zeit)
30
/de/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
195030
61723
2
Public Timelines FAQ
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Open cabinet
For educational institutions For teachers For students Open cabinet
Erstellen
Create a timeline
Public timelines
Library
FAQ

Process of Making The Harmonic Telegraph & a Voice Transmitting Device (1 Jan 1873 Jahr – 31 Dez 1875 Jahr)

Beschreibung:

Bell & Watson worked on both the harmonic telegraph & a voice transmitting device from about 1873 to 1875

Zugefügt zum Band der Zeit:

Bell Telephone Invention

ByQueen Geli
13 Feb 2018

Datum:

1 Jan 1873 Jahr
31 Dez 1875 Jahr
~ 2 years and 11 months
About & FeedbackVereinbarungPrivatheitBibliothek
2024 © Time.Graphics
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
Excellent (Trustpilot Reviews)
Based on 115+ reviews
Write your own review on Trustpilot.com