Telegraph operator. Historical artwork of a telegraph operator at Croydon airport,England,in 1928. He is using an electrical transmitter (lower right) to send a Morse Code radio message to an aircraft in flight. Electric telegraphy was developed in the nineteenth century. Samuel Morse (1791-1872) designed the Morse Code in the 1830s for the transmission of telegraph messages. The code uses a series of dots and dashes to specify the letters of the alphabet. Taken from the London Illustrated News,1928 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Terry, Sheila |
Bildgröße: | 3479 px × 3585 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |