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Persol is an Italian luxury eyewear brand specializing in the manufacturing of sunglasses and optical frames. It is one of the oldest eyewear companies in the world and is owned by the Luxottica group. The name is derived from the Italian per il sole, meaning "for the sun". Formed in 1917 by Giuseppe Ratti, Persol originally catered to pilots ...
A process camera is a specialised form of camera used for the reproduction of graphic material. Before the advent of color scanners, color process work was undertaken by the process camera, by a skilled operator. This was achieved by using various filters to produce a set of 4 film separations, cyan, magenta, yellow and Black (CMYK), this in ...
t. e. In photography, toning is a method of altering the color of black-and-white photographs. In analog photography, it is a chemical process carried out on metal salt-based prints, such as silver prints, iron-based prints ( cyanotype or Van Dyke brown ), or platinum or palladium prints. This darkroom process cannot be performed with a color ...
IMC Process Guide. imc Process Guide is the name of an electronic performance support system (EPSS). The software is developed by e-learning company IMC AG, Saarbrücken . Process Guide provides context-sensitive help and up-to-date information for software users in case of difficulties with applications. It operates as an employee's personal ...
Pattinson's process or pattinsonisation is a method for removing silver from lead, discovered by Hugh Lee Pattinson in 1829 [1] and patented in 1833. The process is dependent on the fact that lead which has least silver in it solidifies first on liquefaction , leaving the remaining liquid richer in silver.
A chromogenic print, also known as a C-print or C-type print, [ 1] a silver halide print, [ 2] or a dye coupler print, [ 3] is a photographic print made from a color negative, transparency or digital image, and developed using a chromogenic process. [ 4] They are composed of three layers of gelatin, each containing an emulsion of silver halide ...
Tutorial system. The tutorial system is a method of university education where the main teaching method is regular, very small group sessions. These are the core teaching sessions of a degree, and are supplemented by lectures, practicals [clarification needed] and larger group classes. This system is found at the collegiate universities of ...
Illustration by G. Roux to Jules Verne story. In the Year 2889 ( La Journée d’un journaliste américain en 2889 in French) is an 1889 short story published under the name of Jules Verne, but now believed to be mainly the work of his son Michel Verne, based on his father's ideas. [ 1] The first publication was in English in February 1889, in ...