- Environmental Management
- Testing & Standards
- Imaging & Information Media
Photographic Negatives: Nature and Evolution of Processes
Photographic Negatives: Nature and Evolution of Processes, Maria Fernanda Valverde, 2004. Published by the Mellon Advanced Residency Program in Photographic Conservation. This full-color poster illustrates the technical evolution of photographic negatives over time. Images and text describe the eight most important negative types, and a timeline shows periods of use of major imaging substances, binders, and supports. A complementary PDF booklet is available for download. It adds detailed discussion of the chemical and physical properties of negatives, recommendations for safe storage, keys to identification, history, and much more.
Includes one poster (28" x 42").