Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, Brown, Green, and Longmans, 1854 - 396 стор. |
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Сторінка 11
... ray to darken the chloride of silver in fifteen minutes , while the red rays required twenty minutes , and the other colours various intermediate periods . The bleaching of wax by exposure to the solar rays became also the subject of ...
... ray to darken the chloride of silver in fifteen minutes , while the red rays required twenty minutes , and the other colours various intermediate periods . The bleaching of wax by exposure to the solar rays became also the subject of ...
Сторінка 16
... rays , one on the red side of the prismatic spectrum , which favours oxygenation , and the other on the violet side , which assist disoxygenation . The error into which Ritter fell here was only one of degree , the inequality of action ...
... rays , one on the red side of the prismatic spectrum , which favours oxygenation , and the other on the violet side , which assist disoxygenation . The error into which Ritter fell here was only one of degree , the inequality of action ...
Сторінка 17
... red end . The experiment in its present state is sufficient to complete the analogy of the invisible with the visible rays , and to show that they are equally liable to the general law , which is the principal ... red rays of the prismatic.
... red end . The experiment in its present state is sufficient to complete the analogy of the invisible with the visible rays , and to show that they are equally liable to the general law , which is the principal ... red rays of the prismatic.
Сторінка 18
... red rays of the prismatic spec- trum produced no effect upon a solution of corrosive sub- limate ( bichloride of mercury ) in ether , but that the blue rays rapidly decomposed it . He also observed that the decomposition of several ...
... red rays of the prismatic spec- trum produced no effect upon a solution of corrosive sub- limate ( bichloride of mercury ) in ether , but that the blue rays rapidly decomposed it . He also observed that the decomposition of several ...
Сторінка 19
... rays afforded the greatest quantity of Light , and that the violet ray had the least . In conclu- sion , Dr. Herschel ... rays rendered it brown , the blue rays produced a shade of blue , the yellow preserved it white , and the red rays ...
... rays afforded the greatest quantity of Light , and that the violet ray had the least . In conclu- sion , Dr. Herschel ... rays rendered it brown , the blue rays produced a shade of blue , the yellow preserved it white , and the red rays ...
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actinic ammonia appears Becquerel bleaching blue rays bodies brown calotype camera obscura carbonic acid chemical action chemical change chemical rays chloride of silver chromate colour combination copper crown 8vo Daguerreotype dark darkened distilled water dried effect Engravings evident experiments exposed exposure fluid formed gallic acid germination glass gold green rays heat hyposulphite of soda impression indigo influence intensity iodide of silver iodine iron least refrangible Light luminous rays mercury metallic minutes morocco Niepce nitrate of silver nitric acid observed obtained orange oxide oxygen paper peculiar phenomena photographic picture placed plants plate 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 space sun's rays sunshine surface tint tion uranium glass vapour vegetable violet rays visible vols washed Woodcuts yellow ray