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Eventually communication reached an electronic state, and the telegraph was invented. Harrison Dyar, who sent electrical sparks through chemically treated paper tape to burn dots and dashes, invented the first telegraph in the USA. The telegraph was the first piece of equipment that allowed users to send electronic messages. A more developed version came from Samuel Morse, whose telegraph printed code on tape and was operated using a keypad and an earpiece. The pattern of communication soon became known as Morse code.
Thomas Tommasina
Tommasina invented a telephonic receiver system which he adapted as a weather forecasting system in 1901. Called the "Electro-radiophone" it picked up electric discharges in the atmosphere and transmitted them over wires to where it could be heard in the form of sound. The receiver made use of the Branly effect. It may have been one of the earliest ideas on using wireless telegraphy in meteorology. Tommasina's device had also been of interest to Guglielmo Marconi. When Marconi claimed a patent there were several counter-claims and it was suggested that the true inventor of the so-called "mercury-coherer" used in the first transatlantic telegraphy was Tommasina. Tommasina did not however use it for the purpose of wireless-telegraphy nor did he claim to be its inventor.