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1 Joly, John
SUBJECT AREA: Photography, film and optics[br]b. 1857 Holywood, King's County (now County Down, Northwern Ireland), Irelandd. 8 December 1933 Dublin, Eire[br]Irish pioneer of additive screen-plate colour photography.[br]Professor of Physics at Trinity College, Dublin, Joly developed a concept first suggested by Ducos du Hauron, creating in 1893 a process in which fine transparent red, green and blue lines, less than 0.1 mm wide, were ruled on a glass plate. The coloured inks were aniline dyes mixed with gum. This screen plate was held in close contact with a photographic negative plate which was exposed through the screen in a camera. The processed negative was printed onto a positive plate, and a viewing screen, similar to that used for taking, was bound up with it in careful register, to reproduce the original colours. The process was patented in 1894, and marketed in 1895. It was the first commercially successful additive screen-plate process to appear. While the results could be quite acceptable, the inadequate colour sensitivity of the negative plates then available limited the usefulness of this process. Professor Joly's other achievements included geological research and the treatment of cancer by radium.[br]Further ReadingJ.S.Friedman, 1944, History of Colour Photography, Boston.B.Coe, 1978, Colour Photography: The First Hundred Years, London. G.Koshofer, 1981, Farbfotografie, Vol. I, Munich.BC -
2 плавиковый шпат
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3 fluorit
• blue john -
4 varijetet minerala fluorita
• blue john -
5 savanyodó tej
blue john -
6 голубой джон
голубой джон
Волокнистая или столбчатая разновидность флюорита.
[Англо-русский геммологический словарь. Красноярск, КрасБерри. 2007.]Тематики
EN
Русско-английский словарь нормативно-технической терминологии > голубой джон
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7 plava galica
• blue john vitriol; blue vitriol -
8 čestice metalnog cinka presvuč
• blue john metal -
9 metalno olovo
• blue john lead -
10 plavi sloj
• blue john layer -
11 regenerator plave boje
• blue john restorer -
12 sloj koji daje plavu boju
• blue john restorer -
13 vodeni gas
• blue john water gas; water gas -
14 прокисшее молоко
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15 снятое молоко
1) General subject: blue john, skim, skim milk, slummed milk2) Makarov: blue milk -
16 волокнистая или столбчатая разновидность флюорита
Geology: blue johnУниверсальный русско-английский словарь > волокнистая или столбчатая разновидность флюорита
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17 волокнистая разновидность флюорита
Geology: blue johnУниверсальный русско-английский словарь > волокнистая разновидность флюорита
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18 жидкое молоко
1) General subject: blue john2) Business: fluid milk, liquid milk -
19 жидкое, снятое молоко
General subject: blue-JohnУниверсальный русско-английский словарь > жидкое, снятое молоко
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20 плавиковый шпат
2) Geology: blue john, cann, fluor spar, fluorite, kawk, kelve (в Корнваллисе), kilve (в Корнваллисе), pear spar, spar3) Mineralogy: Derbyshire spar, cand, fluor, fluorspar4) Engineering: calcium fluoride5) Construction: fluoride6) Mining: Derbyshire spar (плотная разновидность), kelve (в Корнуолле), kilve (в Корнуолле)7) Drilling: fluor calcareous
См. также в других словарях:
Blue-john — n. A name given to fluor spar in Derbyshire, where it is used for ornamental purposes. [1913 Webster] … The Collaborative International Dictionary of English
blue john — ˈ ̷ ̷ˌ ̷ ̷ noun Etymology: from the name John 1. : a fibrous or columnar variety of fluorite found in Derbyshire, England and used especially for vases 2. sometimes capitalized J, dialect : skim milk … Useful english dictionary
Blue John-Mine — (spr. blū dschŏn main), s. Castleton 1) … Meyers Großes Konversations-Lexikon
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Blue John — noun a blue or purple banded variety of fluorite found in Derbyshire … English new terms dictionary
Blue-John — … Useful english dictionary
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