1 janv. 1903 - Telegraph
Description:
an apparatus, system, or process for transmitting messages or signals to a distant place, especially by means of an electric device consisting essentially of a sending instrument and a distant receiving instrument connected by a conducting wire or other communications channelGroup Insights:
fast way to receive information
Ajouté au bande de temps:
Date:
1 janv. 1903
Maintenaint
~ Il y a 121 ans
