1 janv. 1830 - Telegraph
Description:
Telegraph is a system of sending messages over long distances, either by means of electricity or by radio signals. Telegraph was used more often before the invention of telephones and computers.There were little to no interactions of telegraph to us today as innovation of it came along. Because nowadays, internet has been the powerful tool in sending messages over long distances. Telephones and fax machines have also been the innovations being brought by the telegraph.
Ajouté au bande de temps:
Date:
1 janv. 1830
Maintenaint
~ Il y a 195 ans