Needle Telegraph

[Sedalia Dave 9,790]

Needle telegraph

 

https://youtu.be/XFl7T4aBZAA

 

https://youtu.be/VZEu84uR0bw

[Subdeacon Joe 21,486]

Good stuff. Thanks.

[Pat Riot, SASS #13748 17,792]

Thanks SD 

It’s odd, but I was just thinking about this a couple of days ago. I was thinking, that for no reason but to do it, about getting my FCC license and learning about radio communications. 
 

Here’s a cool quick history of the telegraph. 
https://www.thoughtco.com/the-history-of-the-electric-telegraph-and-telegraphy-1992542