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Influence of Light on Purple Dyeing by the Ancients
Thought and Teaching of the Alchemists
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acid action of light apparatus became Berlin blue calotype camera obscura Chapter chemical chemistry chromated coated collodion plates collodion process collotype color copper Daguerre Daguerre's daguerreotype daguerreotype plates discovery dry plates Eder Eder's edition emulsion etching exhibited experiments exposed exposure film gallic acid gelatine silver bromide German Geschichte glass graphic Graphische Lehr gum printing halftone Handbuch Hauron intaglio invention inventor investigations iodine Jahrbuch Journ Journal Korr Korresp later lens lenses light-sensitive London Lumiere mentioned mercury metal method Munich negatives Niepce nitric acid optical optician oxide Paris patent Petzval Phot photochemical photochemistry Photographic Society Photographische photogravure pigment portrait potassium printing produced Professor published rays reproduction salts Schulze scientific screen sensitivity Sensitometrie silver chloride silver chloride paper silver iodide silver nitrate solution spectrum substance sunlight Talbot technical three-color tion Versuchsanstalt Vienna violet Vogel Voigtlander wet collodion wet collodion process yellow