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Marconi wireless school, New York, USA. Students in around 1912 practising to become radio (wireless telegraphy) operators. Italian physicist Guglielmo Marconi (1874-1937) patented his invention in 1897, setting up companies in the UK and the USA and other countries to develop the new technology. This is a school run by the Marconi Wireless Telegraph Company of America. The students are wearing headphones to listen to the incoming signals, and using tap-button operated transmitters to send signals in Morse code. Incoming signals are also recorded as Morse code dots and dashes on ticker tape.
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