Gelatin Printing-Out Paper (POP)
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| Date initiated | May 2024 |
| Contributors | Luisa Casella |
Gelatin Printing-Out Paper (POP)
Historical Facts
Gelatin Printing-Out Paper (POP), popular from the 1880s to the 1920s, was one of the first silver-based photographic papers used extensively. Unlike later photographic papers which develop out rapidly in chemical baths, the image on a POP appears gradually and visibly upon exposure to light and is then stabilized through toning and fixing. POPs were favored for their rich, subtle tonal variations and deep, warm blacks which were ideal for portraiture and landscape photography.
Identification Characteristics
Image material
POPs use a gelatin-silver process where the image is formed by metallic silver in a gelatin binder.
Color
The prints typically exhibit a range of sepia tones to rich browns and creamy whites, depending on the toner used.
Support
The support is generally a high-quality, heavyweight paper, coated with a baryta layer, often with a smooth, glossy surface.
Conservation
Housing and Storage Considerations
Housing
Storage
Exhibition
Emergency Recovery
References
Further Reading
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