History[edit] Classic 120 negative roll film, manufactured by Agfa-Gevaert, with backing paper indicating total exposures available for 4.5×6, 6×6 and 6×9 cm camera film-frame sizes In 1881 a farmer in Cambria, Wisconsin, Peter Houston, invented the first roll film camera. His younger brother David, filed the patents for various components of Peter's camera.[1] David Henderson Houston (born June 14, 1841; died May 6, 1906),[2] originally from Cambria, Wisconsin, patented the first holders for flexible roll film.[2][3] Houston moved to Hunter in Dakota Territory in 1880. He was issued an 1881 patent for a roll film holder[4][5] which he licensed to George Eastman (it was used in Eastman's Kodak 1888 box camera). Houston sold the patent (and an 1886 revision[6]) outright to Eastman for $5000 in 1889.[2][7][8] Houston continued developing the camera, creating 21 patents for cameras or camera parts between 1881 and 1902.[2][9] In 1912 his estate transferred the remainder of his patents to Eastman.[2] Various brands of sealed 120 negative and transparency roll films The most popular roll film format is 120 film, which is used in most medium format cameras and roll film magazines for large-format cameras. Until the 1950s, 120 roll film was, with the smaller 127 film, also used in the simplest of box cameras and other snapshot cameras. The use of roll film in consumer cameras was largely superseded by 135 and 126 cartridges, but 120 and 220 (double length) film are still commonly used in medium format cameras.

See also[edit] Film stock Brownie (camera) Category: Film formats Film format List of color film systems List of film formats

References[edit] ^ Archer, Myfanwy Morgan (March 1933). "Wisconsin man inventor of folding film roll Kodak features". The Wisconsin Magazine of History. 16 (3): 235 to 243.  ^ a b c d e Nemenoff, Ben. "Houston, David Henderson". nd.gov. Archived from the original on 29 October 2013. Retrieved 5 September 2010.  ^ [1]Hammer, Mina Fisher (1940). History of the kodak and its continuations. The House of Little Books. pp. xv.  ^ [2] US patent #248,179 for Photographic Apparatus is dated October 11, 1881; issued to David H. Houston of Cambria, WI. ^ Christopher Beane; Anthony F. Janson (2008). Flower. Artisan Books. p. 12.  ^ [3] 1886 patent #355084 ^ Hammer, 1940, p.55. ^ Peres, Michael R. (2007). The Focal encyclopedia of photography. Focal Press. p. 78.  ^ Hammer, 1940, pp.55ff. Retrieved from "https://en.wikipedia.org/w/index.php?title=Roll_film&oldid=812334431" Categories: Film formatsPhotography equipmentHidden categories: Articles needing additional references from September 2010All articles needing additional references

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