Pictures of ‘transmitter’ (exact matches)

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Morse telegraph

Breguet telegraph

Wireless telegraphy

Guglielmo Marconi sending a wireless message from Rome to Rio de Janeiro

Guglielmo Marconi's parabolic radio antenna

Guglielmo Marconi, Italian inventor and radio pioneer, and his wireless station at Poldhu, Cornwall

Practical Scientific Inventions

Apparatus for transmitting images over distance