On 24 October 1861, the first transcontinental telegraph system was established.

In 1861, the station became incorporated into the telegraph system.

The coming of the railways and their ally, the telegraph system, put an end to this situation.

But even before it is finished I have another gift for you, a way to improve your telegraph system.

This was a telegraph system that involved bells to ring out the box number.

One of his inventions was a telegraph system to communicate with friends.

In 1870, the telegraph system came under the control of the post office.

It was the first telegraph system to be put into commercial service.

The following year, a telegraph system was set up between the two.

One important duty of the telegraph system was to keep the time of the nation.