collotype technique
Sign in to savethumb|Early collotype postcard; 1882 in Nuremberg, signed by J. B. Obernetter thumb|Postcard of the "Alte Oper" in Frankfurt, about 1900.
Article
21 sectionsContents
- Invention
- Process
- Poitevin's collotype
- 1860s developments
- Later collotype
- Color collotype or chromocollotype
- Combination processes
- Mezzograph collotype
- Halftone collotype
- Characteristics
- Historical use
- Famous works
- Contemporary use
- Commercial
- Non-commercial or artistic
- Gallery
- Monochrome collotypes
- Monochrome collotypes with applied color
- Multicolored collotypes
- References
- External sources
thumb|Early collotype postcard; 1882 in Nuremberg, signed by J. B. Obernetter thumb|Postcard of the "Alte Oper" in Frankfurt, about 1900.
Collotype is a gelatin-based photographic printing process invented by Alphonse Poitevin in 1855 to print images in a wide variety of tones without the need for halftone screens. The majority of collotypes were produced between the 1870s and 1920s. It was the first form of photolithography.