DAS BROMÖLDRUCKVERFAHREN:
Halle a. S. Wilhelm Knapp, 1912. First edition. 8vo., 52 pp. Printed wrappers. Very good. Emil Mayer (1871 - 1938) born in Bohemia, earned his juris doctorate in Vienna. At the turn of the twentieth century, he was an active amateur photographer, and member of several Viennese photographic societies. His..... More