1831Joseph Henry's and Michael Faraday's work with electromagnetism jumpstarts the era of electronic communication.
1862 First Still Image TransferredAbbe Giovanna Caselli invents his Pantelegraph and becomes the first person to transmit a still image over wires.
1873Scientists May and Smith experiment with selenium and light, this reveals the possibilty for inventors to transform images into electronic signals.
1876Boston civil servant George Carey was thinking about complete television systems and in 1877 he put forward drawings for what he called a selenium camera that would allow people to see by electricity.
Eugen Goldstein coins the term "cathode rays" to describe the light emitted when an electric current was forced through a vacuum tube.
Late 1870sScientists and engineers like Paiva, Figuier, and Senlecq were suggesting alternative designs for Telectroscopes.
1880Inventors Alexander Graham Bell and Thomas Edison theorize about telephone devices that transmit image as well as sound.
Bell's Photophone used light to transmit sound and he wanted to advance his device for image sending.
George Carey builds a rudimentary system with light-sensitive cells.