Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

4 abr 1837 ano - TELEGRAPH

Descrição:

A system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.

Adicionado na linha do tempo:

MIL

14 dez 2017

0

0

558

Data:

4 abr 1837 ano

Agora

~ 188 years ago

Imagens:

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

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

Secured with SSL