Process: The Photomechanics of Printed Illustration, Volume 39, Issue 4661932 - Photomechanical processes |
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actinic answers appear application bath better bichromate blocks BRITISH bromide called camera carbon tissue claim Class coated collodion colour complete conference contains Council desirable detail developed difference discussed distance dots edges engraver equal etching experience exposed exposure extremely FARRINGDON ROAD Federation film final gelatine give glass GLUE grains half-tone HOUSE improvement keep Kodak lamp light Lithography London MACHINERY Machines Manufactured meet ments method necessary negative obtained October Office operator original particular patent Photo PHOTO-ENGRAVING Photographic picture placed plate possible Potassium practical preparation printer printing produced question rays ready reduced require result ruled sensitized short side silver Society solution SONS speed strips supplied takes temporary support Tested tissue tone trade trouble usual vignetted screen washed WILLIAM GAMBLE Wratten zinc