Some attempts have been made with more or less success to work printing telegraphs and even writing or drawing telegraphs by Hertzian waves, but have not passed beyond the experimental stage, whilst wireless telephony by this means is still a dream of the future.
"Hertzian Wave Wireless Telegraphy"
John Ambrose Fleming
Every one is familiar with Fritz Napoleon Smith's system-a system made possible by the enormous development of telephony during the last hundred years.
"In the Year 2889"
Jules Verne and Michel Verne
It took hundreds of good scientists years of patient study and experiment to find out those ideas about electricity which have made possible radio-telephony.
"Letters of a Radio-Engineer to His Son"
John Mills