{ "item_title" : "The Dry Collodion Process (1857)", "item_author" : [" Charles A. Long "], "item_description" : "The Dry Collodion Process is a book written by Charles A. Long and published in 1857. The book is a comprehensive guide to the dry collodion process, a photographic technique that was popular in the mid-19th century. The dry collodion process involved coating a glass plate with a solution of collodion and then sensitizing the plate with silver nitrate. The plate was then exposed to light and developed using a solution of pyrogallic acid and silver nitrate. The book is divided into several sections, each of which covers a different aspect of the dry collodion process. The first section provides an overview of the process and its history, while the second section covers the equipment and materials needed to carry out the process. The third section is a detailed guide to preparing the collodion and sensitizing the plates, and the fourth section covers the exposure and development of the plates. The book also includes several appendices, which provide additional information on topics such as the chemistry of the process, troubleshooting common problems, and alternative methods of developing the plates. The book is written in a clear and concise style, making it accessible to both amateur and professional photographers. Overall, The Dry Collodion Process is an important historical document that provides valuable insight into the early days of photography. It is a must-read for anyone interested in the history of photography or the technical aspects of early photographic processes.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/16/482/050/1164820508_b.jpg", "price_data" : { "retail_price" : "22.95", "online_price" : "22.95", "our_price" : "22.95", "club_price" : "22.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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