The Photographic Negative; Written as a Practical Guide to the Preparation of Sensitive Surfaces by the Calotype, Albumen, Collodion, and Gelatin Processes, on Glass and Paper, with Supplementary Chap The Photographic Negative; Written as a Practical Guide to the Preparation of Sensitive Surfaces by the Calotype, Albumen, Collodion, and Gelatin Processes, on Glass and Paper, with Supplementary Chap