The 1st demonstration of the Dwell transmission of photos was by Georges Rignoux and also a. Fournier in Paris in 1909. A matrix of 64 selenium cells, individually wired to your mechanical commutator, served as an Digital retina. While in the receiver, a kind of Kerr cell modulated the light plus a series of variously angled mirrors connected to the edge of a rotating disc scanned the modulated be