""Photography With Emulsions: A Treatise On The Theory And Practical Working Of The Collodion And Gelatine Emulsion Processes"" is a comprehensive guidebook written by William De Wiveleslie Abney in 1885. The book provides detailed information on the theory and practical aspects of the collodion and gelatine emulsion processes used in photography during that time. It covers topics such as the chemical composition of emulsions, the preparation and...