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Before the telegraph people sent written letters and could take from days to weeks possibly a month to receive it.
a long time
4 years
I assume it would take about 5 months for them to make the bouleuterion
20 years
3 months
as soon as the telegraph operator completes the message it is received at the other end.
16 ms
In 1838 Samuel Morse perfected Joseph Henry's invention of the electromagnet. It was not until 1843 that the government funded a telegraph graph line from Washington to Baltimore.
It takes approximately
3
30DAYS
1000000.1000000 days
you need to take electric energy put in the pen then put water
how long does it take to make a crayons
I don't know at all
A few seconds.