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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.
Siemens family
Werner Siemens, a former artillery and engineering officer in the Prussian army, invented a telegraph that used a needle to point to the right letter, instead of using Morse code. Based on this invention, he founded the company "Telegraphen-Bauanstalt von Siemens & Halske" on 1 October 1847, with the company taking occupation of its workshop on 12 October. His business partner Johann Georg Halske, a master mechanic, was particularly involved in the construction and design of electrical equipment such as the press which enabled wires to be insulated with a seamless coat of gutta-percha, the pointer telegraph, the morse telegraph and measuring instruments. The company was internationalised soon after its founding. One brother of Werner represented him in England (Sir William Siemens) and another in St.Petersburg, Russia (Carl von Siemens), each earning recognition. In 1867 Mr Halske withdrew from the company because his more conservative views on company policy diverged from those of the rather venturous Siemens brothers.