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What is a Collotype? - J D Smith Fine Art
- https://www.jdsmithfineart.com/information/what-is-a-collotype
- A collotype is surface printing technique similar to stone lithographs in many respects, but differing in its use of materials and in both the process of creating the image on the plate and printing. For a stone lithograph, the stone’s ability to absorb water creates the area to repel the ink, while a lithograph crayon creates the area to repel water and accept ink.
The Process — Collotype Prints
- https://collotypeprints.com/collotype-process/
- Collotype is a dichromate-based photographic process invented by Alphonse Poitevin in 1856 and used for large volume mechanical printing before the existence of cheaper offset lithography. It can produce results difficult to distinguish from metal-based photographic prints because of its microscopically fine reticulations which comprise the image.
collotype | printing process | Britannica
- https://www.britannica.com/technology/collotype
- collotype, also called Photocollography, photomechanical printing process that gives accurate reproduction because no halftone screen is employed to break the images into dots. In the process, a plate (aluminum, glass, cellophane, etc.) is coated with a light-sensitive gelatin solution and exposed to light through a photographic negative.
Collotype | MoMA
- https://www.moma.org/collection/terms/collotype
- Collotype. A reproductive printmaking technique that is photographically based. Although collotype is increasingly rare, in the early 20th century it was employed for its effectiveness in reproducing the subtle delicacy of drawings and photographs. A photographic negative is projected onto a printing plate coated with light-sensitive gelatin that hardens and becomes …
Glossary Collotype - Fineartmultiple
- https://fineartmultiple.com/glossary-of-prints-and-editions/what-is-a-collotype/
- Collotype is a photomechanical flat printing process used to produce varying tones and shades. The process involves coating a glass plate in a gelatin solution, and over that a light-sensitive dichromate gelatin, which is left to dry at around 50 degrees celcius. Thereafter, the plate is exposed to light through a photographic negative.
calotype | Definition, Process, & Facts | Britannica
- https://www.britannica.com/technology/calotype
- calotype, also called talbotype, early photographic technique invented by William Henry Fox Talbot of Great Britain in the 1830s. In this technique, a sheet of paper coated with silver chloride was exposed to light in a camera obscura; those areas hit by light became dark in tone, yielding a negative image.
Identifying collotypes | The Book & Paper Gathering
- https://thebookandpapergathering.org/2017/02/23/identifying-collotypes/
- Collotype printing is a planographic technique, with prints taken from a gelatine matrix. It is carried out by exposing a negative image onto the light-sensitised gelatine, with greater light exposure encouraging the gelatine to harden and promoting the development of broader and more frequent cracks.
Color photography: History, techniques, & editing tips
- https://www.adobe.com/creativecloud/photography/discover/color-photography.html
- “Color photography is making pictures that look more like how the world looks,” says photographer Nicole Morrison. With color photography, you can also play with the hues in a color image to enhance a mood or feeling. And digital editing tools can help you get the colors in your photos exactly how you want them.
The Collotype: History, process & photographic …
- https://scholarworks.rit.edu/cgi/viewcontent.cgi?article=4828&context=theses
- Rochester Institute of Technology RIT Scholar Works Theses Thesis/Dissertation Collections 5-1-1997 The Collotype: History, process & photographic
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