Morse code apparatus. 19th Century artwork of a device used to send Morse code,with a chart showing the International Morse Code written out below it. Published in 1877 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 3579 px × 4956 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |