‘transmitter’ historical pictures (exact matches)

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A Bell telephone and transmitter in practical use
A Bell telephone and transmitter in practical use
Practical Scientific Inventions
Practical Scientific Inventions
Apparatus for transmitting images over distance
Apparatus for transmitting images over distance
Guglielmo Marconi's parabolic radio antenna
Guglielmo Marconi's parabolic radio antenna
Guglielmo Marconi sending a wireless message from Rome to Rio de Janeiro
Guglielmo Marconi sending a wireless message from Rome to Rio de Janeiro
Guglielmo Marconi, Italian inventor and radio pioneer, and his wireless station at Poldhu, Cornwall
Guglielmo Marconi, Italian inventor and radio pioneer, and his wireless station at Poldhu, Cornwall
King Edward VIII making his first radio broadcast as King
King Edward VIII making his first radio broadcast as King
Morse telegraph
Morse telegraph