Honestly Elim, you're talking about two completely different things.
-Abbe Giovanna Caselli - Invented the Pantelgraph
-Scientists May and Smith - Experimented with selenium and light
-George Carey - Put forward drawings for what he called a selenium camera that would allow people to see by electricity
-Scientists and engineers like Paiva, Figuier, and Senlecq were suggesting alternative designs for Telectroscopes
-Inventors Alexander Graham Bell and Thomas Edison theorize about telephone devices that transmit image as well as sound
-George Carey builds a rudimentary system with light-sensitive cells
-Sheldon Bidwell experiments with his Telephotography that was similiar to Bell's Photophone
-Paul Nipkow sends images over wires using a rotating metal disk technology calling it the electric telescope with 18 lines of resolution
-At the World's Fair in Paris, the first International Congress of Electricity was held. That is where Russian Constantin Perskyi made the first known use of the word "television."
And so on....
http://inventors.about.com/od/tstart...ision_Time.htm
Amazing what google can do, eh?
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