You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Samuel F.B. Morse patented an electric telegraph machine on June 20th 1840.

Morse code is a method of encoding words that was invented in the 19th Century as a way of transmitting messages over long distances. This was before the era of telephones and way before smartphones!

If you are a ham radio operator of a certain age, you probably remember ads for “The Instructograph,” a mechanical device for learning Morse code. [Our Own Devices] has an ancient specimen of the ...