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Phelps' "Electro-Motor Printing Telegraph" enables 60 WPM speed
Phelps' "Electro-Motor Printing Telegraph" enables 60 WPM speed
1875
Ad: British Dictograph
British Dictograph
1936
Ad: Dictograph intercom
Dictograph intercom
1944
Telex service spreads around the world
Telex service spreads around the world
1945
Photo: TN service counter
TN service counter
1957
Ad: Call director
Call director
1960
Automatic (no operator) Telex service launches in England
Automatic (no operator) Telex service launches in England
1960