Modern Technology

It will be apparent, too, to anyone who has carefully considered
the wireless telegraphy chapters, that it ought to be
possible to make the sending stylus or its equivalent control
a wireless transmitter and a wireless receiver to operate the
receiving stylus, so as to be able to send pictures by "wireless."
Experiments to this end have been made with some
measure of success, and sooner or later we are almost sure
to hear that the difficulties, which are by no means small,
have been overcome.
Marvels of Scientific Invention, Thomas W. Corbin, Lippencott, Philadelphia, 1917

I suppose their 'wireless' isn't quite the same as the one I am using right now.