Drawing with tea

The best graphic invention in the 70's was the Xerox When the Xerographic office photocopier was introduced by Xerox in 1959, it gradually replaced much more temporary media made by carbon paper, mimeograph machines, Verifaxes, Photostats, and other duplicating machines. The type of powders used in surfacing the substrates varied in intensity and blackness. Viktor began using the current model machines in the