G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B15/00—Special procedures for taking photographs; Apparatus therefor
Material und Verfahren zur Herstellung von photographischen Aufnabmen und Abzuegen mit leicht uebertragbarer, unverstaerkter und ungehaerteter lichtempfindlicher Schicht
Diapositif destiné à l'obtention des planches et cylindres d'héliogravure comportant des demi-teintes accompagnées de texte ou de dessins au trait, et procédé pour sa fabrication.
Skk photography is one of the few branches of photography that has made relatively little progress of recent years; in fact, for the last twenty years there has been nothing fundamentally