33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
179724
15863
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ Receber premium
Create a timeline
Public timelines
FAQ
About & FeedbackAcordoPrivacidadeFAQ
Support 24/7  
CabinetGet premium
Donate

20 ago 1829 ano - 1830 First telegraph.

Descrição:

Joseph Henry constructs the first telegraph by sending electronic currents accross over a mile of wire, subsequenty activating an electromagnet, causing a bell to ring

Adicionado na linha do tempo:

Telecommunications: A History

ByPaul Duran Jimenez
20 out 2017
0
0
519

Data:

20 ago 1829 ano
Agora
~ 196 years ago
About & FeedbackAcordoPrivacidadeFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL