Source: cirosantilli/history-of-the-electrical-telegraph
= History of the electrical telegraph
\Video[https://www.youtube.com/watch?v=U3hqJ_-g5TY]
{title=What happened to America’s Telegraph lines? by IT'S HISTORY}
= History of the electrical telegraph
\Video[https://www.youtube.com/watch?v=U3hqJ_-g5TY]
{title=What happened to America’s Telegraph lines? by IT'S HISTORY}