Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
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Сторінка xv
... dark blue glasses rapidly change the colour . The yellow glasses obstruct scarcely any Light ; the blue glasses may be so dark as to admit of the permeation of an exceedingly small quantity . 5th . Where there is no sensation of Light ...
... dark blue glasses rapidly change the colour . The yellow glasses obstruct scarcely any Light ; the blue glasses may be so dark as to admit of the permeation of an exceedingly small quantity . 5th . Where there is no sensation of Light ...
Сторінка 4
... dark , and as most of them refract the luminous rays with extraordi- nary brilliancy , it became a matter of conjecture if they shone with their own light , or if it was , that they again poured out light which they had the power of ...
... dark , and as most of them refract the luminous rays with extraordi- nary brilliancy , it became a matter of conjecture if they shone with their own light , or if it was , that they again poured out light which they had the power of ...
Сторінка 17
... dark rings were very distinctly visible , much smaller than the brightest rings of the coloured image , and coinciding very nearly , in their dimensions , with the rings of violet Light , that appeared upon the interposition of violet ...
... dark rings were very distinctly visible , much smaller than the brightest rings of the coloured image , and coinciding very nearly , in their dimensions , with the rings of violet Light , that appeared upon the interposition of violet ...
Сторінка 19
... dark ; that they com- bined slowly in diffused light , and with an explosion in the sunshine . Seebeck collected chlorine over hot water ; and combining it with hydrogen , he placed equal quantities of the mixture in a yellowish red and ...
... dark ; that they com- bined slowly in diffused light , and with an explosion in the sunshine . Seebeck collected chlorine over hot water ; and combining it with hydrogen , he placed equal quantities of the mixture in a yellowish red and ...
Сторінка 22
... dark place , but on being exposed to the daylight it speedily changes colour , and after passing through dif- ferent shades of grey and brown , becomes at length nearly black . The alterations of colour take place more speedily in ...
... dark place , but on being exposed to the daylight it speedily changes colour , and after passing through dif- ferent shades of grey and brown , becomes at length nearly black . The alterations of colour take place more speedily in ...
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Загальні терміни та фрази
absorption actinic action of Light ammonia appears Becquerel bleaching blue rays brown calotype camera obscura carbonic acid chemical action chemical rays chloride of silver chromate collodion COLLODION PROCESS colour combination copper Daguerréotype dark darkened distilled water dried Edition effect employed Engravings experiments exposed exposure ferrocyanide fluid formed gallic acid germination gold green rays guaiacum heat hyposulphite of soda impression influence intensity iodide of silver iodine iron least refrangible luminous rays mercury metallic Niepce nitrate of silver nitric acid observed obtained orange oxide oxygen paper peculiar phenomena photographic picture placed plants portion Post 8vo potash potassium precipitate prepared prism prismatic spectrum produced quantity quinine radiations red rays refrangible rays remarkable salts of silver sensitive Sir John Herschel solar rays solution of nitrate space sun's rays sunshine surface tint tion uranium glass vapour vegetable violet rays visible vols washed yellow ray
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