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Roll film or rollfilm is any type of spool-wound photographic film protected from white light exposure by a paper backing. The term originated in contrast to sheet film . Confusingly, roll film was originally often referred to as "cartridge" film because of its resemblance to a shotgun cartridge.
Roll holder films were wound inside out 107 for roll holder 1898 1924 3 + 1 ⁄ 4 × 4 + 1 ⁄ 4 in 82.55 × 107.95 mm 108 for roll holder 1898 1929 4 + 1 ⁄ 4 × 3 + 1 ⁄ 4 in 107.95 × 82.55 mm 109 for roll holder 1898 1924 4 × 5 in 101.6 × 127 mm 110 (early roll film) for roll holder 1898 1929 5 × 4 in 127 × 101.6 mm
The double weight paper is approximately 276 g/m² and a thickness of approximately 260 μm.” [2] Photos of the paper on cores have a density that look very much like the films would, although there are no specifications on film of the time. Motion picture film was not standardized in the early years, and therefore, neither were their paper ...
The first flexible photographic roll film was sold by George Eastman in 1885, [45] but this original "film" was actually a coating on a paper base. As part of the processing, the image-bearing layer was stripped from the paper and attached to a sheet of hardened clear gelatin.
Advertisement for Ansco Cyko photographic paper, 1922. Photographic paper is a paper coated with a light-sensitive chemical, used for making photographic prints.When photographic paper is exposed to light, it captures a latent image that is then developed to form a visible image; with most papers the image density from exposure can be sufficient to not require further development, aside from ...
Rotogravure presses for publication run at 45 feet (14 m) per second and more, with paper reel widths of over 10 feet (3 m), enabling an eight-unit press to print about seven million four-color pages per hour. The vast majority of gravure presses print on rolls (also known as webs) of paper or other substrates, rather than sheets. (Sheetfed ...
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