← Back to letters29/04/18 acids a cliché or a group of clichés (if they want, for example, the colored print of a tetrachromy). Other times they will use for the reproduction of images, the obtaining of a metallic cliché, whose fine perforations obtained by an electronic device, will allow printing by means of a Multicopier, or they will sensitise a selenium plate using high electrostatic potentials (A PROCEDURE VERY SIMILAR TO ANTIQUE METHODS ON UMMO) as you do with xerographic photocopiers. Or they will have various methods similar to photolithography, heliogravure, thermoplastic processes or electrostatic printing by ink projection, photostatic printing using a cathode ray tube.
Lettre Ummite#133