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A gelatin silver print is composed of four layers: paper base, baryta, gelatin binder, and a protective gelatin layer or overcoat. The multi-layer structure of the gelatin silver print and the sensitivity of the silver imaging salts require specialized coating equipment and fastidious manufacturing technique to produce a consistent product that ...
English: The J series of paper sizes, created by contemporary artist Joshua Bryan, to quickly deduce the size of a phi ratio compliant paper size within a standard A type paper size. Date 29 January 2012
The hectograph, gelatin duplicator or jellygraph is a printing process that involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame. [1] While the original use of the technology has diminished, it has recently been revived for use in the art world.
Sizing is used during paper manufacture to reduce the paper's tendency when dry to absorb liquid, with the goal of allowing inks and paints to remain on the surface of the paper and to dry there, rather than be absorbed into the paper. This provides a more consistent, economical, and precise printing, painting, and writing surface.
Gelatin is used as a binder in match heads [39] and sandpaper. [40] Cosmetics may contain a non-gelling variant of gelatin under the name hydrolyzed collagen (hydrolysate). Gelatin was first used as an external surface sizing for paper in 1337 and continued as a dominant sizing agent of all European papers through the mid-nineteenth century. [41]
It is filled with liquid pigmented gelatin and a sheet of paper is then pressed down onto it, squeezing out the excess gelatin and attaching the remainder to the paper. After the gelatin has set sufficiently, the print is stripped from the mold, trimmed, and usually mounted onto a larger sheet or card.
A reversal film chromogenic print, also known as a Type-R print, is a positive-to-positive photographic print made on reversal-type color photographic paper. Fujifilm, Kodak, and Agfa have historically manufactured paper and chemicals for the R-3 process, a chromogenic process for making Type-R prints.
Symbolic pictures were sometimes added to indicate the origin of the LSD. Designs printed on blotter paper can serve to identify dosage strengths, different batches, or makers. [6] As designs became more creative, blotter art became a folk and underground art form, drawing on an art vocabulary borrowed from psychedelic art and underground comix.