Telegram (31 agos 1830 anni – 12 nov 2000 anni)
Descrizione:
Developed in the 1830's and 1840's the telegraph was used to send messages such as morse code called "telegram". They were used to convey critical messages quickly.Aggiunto al nastro di tempo:
Data:
31 agos 1830 anni
12 nov 2000 anni
~ 170 years
