‘transmitter’ historical pictures (exact matches)

Practical Scientific Inventions
Practical Scientific Inventions
Inside the Rugby Station
Inside the Rugby Station
The First Set of Wireless Telephone Instruments for the United States Navy
The First Set of Wireless Telephone Instruments for the United States Navy
Guglielmo Marconi at his radio transmitter
Guglielmo Marconi at his radio transmitter
Televison outside broadcast
Televison outside broadcast
Morse telegraph
Morse telegraph
Breguet telegraph
Breguet telegraph
Apparatus for transmitting images over distance
Apparatus for transmitting images over distance