The Dry Collodion Process by Charles Long is a detailed study of the history and technique of dry collodion photography. In this book, the author reveals all the subtleties of this unique process, explains its features and noted advantages compared to other photography methods of that time. Readers are given the opportunity to learn step by step the technology of making pictures using dry collodion, as well as to learn about the historical context of their creation. This book will become an indispensable source of knowledge for photographers, historians of photography and anyone interested in this unique art.