Un ouvrage technique sur la photographie couleur qui explique les principes de base de la synth se additive des couleurs. L'auteur donne des instructions d taill es pour la r alisation de photographies polychromes trois couleurs. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America,...