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• Paper print — Paper prints were an early mechanism to establish the copyright of motion pictures by depositing them with the Library of Congress. The first and foremost user of this prosecc was Thomas Alva Edison). To that end, beginning in 1893, Edison’s… …   Wikipedia

• Silver bromide — chembox new OtherNames = bromargyrite bromyrite silver(I) bromide Section1 = Chembox Identifiers CASNo = 7785 23 1 Section2 = Chembox Properties Formula = AgBr MolarMass = 187.772 g/mol Appearance = Pale yellow solid photosensitive Density =… …   Wikipedia

• Bromoil Process — The Bromoil Process was an early photographic process that was very popular with the Pictorialists during the first half of the twentieth century. The soft, paint like qualities of the prints are very typical for this genre, and have recently led …   Wikipedia

• photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …   Universalium

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Calotype — or talbotype is an early photographic process introduced in 1841 by Henry Fox Talbot, using paper coated with silver iodide. The term calotype comes from the Greek el. κάλο for good , and el. τύπος for impression . How calotypes work The… …   Wikipedia

• chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

• Temazepam — Systematic (IUPAC) name 7 Chloro 1,3 dihydro 3 hydroxy 1 methyl 5 phenyl 1,4 benzod …   Wikipedia

• Cannabis — This article is about the plant genus. For use as a psychoactive drug in the genus, see Cannabis (drug). Cannabis …   Wikipedia

• Color photography — Color film redirects here. For the motion picture equivalent, see Color motion picture film. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill s process did… …   Wikipedia