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Modern Illustration Processes - An Introductory Textbook for All Students of ...
Charles W. Gamble
No preview available - 2009
acid amount angular aperture aperture applied arc lamps bichromate bichromated gelatine bitumen block blue camera character chloride coated collotype colour considerable copper correct cubic centimetres density distance drawing dry plate effect employed emulsion engraver etcher etching exposed exposure ferric chloride film filter fish glue gelatine gelatose give glass gradation grain gravure green half-tone hues increase insoluble intaglio lens light litho lithographic machine material matrix means medium metal method necessary ordinary original panchromatic paper particles Penrose Annual photo-engraver photo-lithography photo-mechanical photographic photogravure picture pigment positive potassium bichromate practice pressure principle printer printing produced purpose relief rendering resist result roller ruled screen screen negative sensitive plate sensitive surface silver silver bromide silver nitrate simple soluble solution stone student suitable three-colour tint tion transfer transparency type-high varnish wet collodion whilst yellow zinc