Bilder Videos

La Telegraphie sans fil Bilder ❘ Science Photo Library

Telegraph cable laying winch,1914
11594340 - Telegraph cable laying winch,1914
Telegraph transmitter and receiver,1914
11594345 - Telegraph transmitter and receiver,1914
Telephone switchboard operator,1914
11708543 - Telephone switchboard operator,1914
Ship's radio,1914
11594354 - Ship's radio,1914
Bicycle radio antenna,1914
11594352 - Bicycle radio antenna,1914
Radio receiver components,1914
11594350 - Radio receiver components,1914
Guglielmo Marconi,radio inventor
11594349 - Guglielmo Marconi,radio inventor
Telephone switchboard operator,1914
11708544 - Telephone switchboard operator,1914
Eiffel Tower radio station,1914
11594351 - Eiffel Tower radio station,1914
Telephone switchboard operator,1914
11594347 - Telephone switchboard operator,1914
Telescopic portable radio mast,1914
11594346 - Telescopic portable radio mast,1914
Eiffel Tower radio station,1914
11594344 - Eiffel Tower radio station,1914
Time standardisation apparatus,1913
11594341 - Time standardisation apparatus,1913
International timing signals,1914
11594353 - International timing signals,1914
Time standardisation apparatus,1913
11594342 - Time standardisation apparatus,1913
Time standardisation apparatus,1913
11594343 - Time standardisation apparatus,1913
Edouard Branly,French physicist
11594348 - Edouard Branly,French physicist
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