By mail
to communicate with the large distance people
by not so improved telephones
They used mostly Telephones but hardly anyone had a mobile phone.
obviously not, you got carrier pigeons, sign language and telephones.
Telephones can able to communicate with other telephones through Public Switched Telephone Network, which transmit voice signal over circuit switching technology.
Telephones, internet, radios.
If humans couldn't make anymore telephones than we won't be able to COMMUNICATE! Think about it, if you had a best friend and you wanted to talk to them over the phone at home what would you do?
being able to use telephones to communicate with others.
The telephone has the same purpose today as it always has had - to communicate.
Telephones are about instant communication with other people wherever they are.
As long as Cook was travelling, he could not communicate with England. In his day, there were no telegrams, telephones or any other way to communicate long distances. Cook recorded his observations in his ship's log, and this was then handed on to the relevant authorities once he returned to England.
by mail and telegraph. thats right i know stuff