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 vi
... experiments which these " Researches " record were commenced , and they have been continued almost without intermission to the present time . Many of the Photographic processes described were the reward of my experiments . The analyses ...
... experiments which these " Researches " record were commenced , and they have been continued almost without intermission to the present time . Many of the Photographic processes described were the reward of my experiments . The analyses ...
Сторінка 8
... phenomena which were supposed to be dependent upon some peculiar principle of Light were curiously observed , Boyle's Works , vol . iii . p . 39 . SCHEELE'S EXPERIMENTS . 9 it does not appear that experimental 8 RESEARCHES ON LIGHT .
... phenomena which were supposed to be dependent upon some peculiar principle of Light were curiously observed , Boyle's Works , vol . iii . p . 39 . SCHEELE'S EXPERIMENTS . 9 it does not appear that experimental 8 RESEARCHES ON LIGHT .
Сторінка 9
... experiments continued , for some time , to excite considerable attention ; and in 1788 we find the " vegetation of salts the subject of Chaptal's inquiry , and in the following year M. Dizé published a paper upon the crystallisation of ...
... experiments continued , for some time , to excite considerable attention ; and in 1788 we find the " vegetation of salts the subject of Chaptal's inquiry , and in the following year M. Dizé published a paper upon the crystallisation of ...
Сторінка 10
... experiments are instructive . " I precipitated a solution of silver by sal - ammoniac ; then I edulcorated and dried ... experiments on the chloride of gold , and some of the salts of manganese , obtaining similar results . SCHEELE'S ...
... experiments are instructive . " I precipitated a solution of silver by sal - ammoniac ; then I edulcorated and dried ... experiments on the chloride of gold , and some of the salts of manganese , obtaining similar results . SCHEELE'S ...
Сторінка 11
... experiments of Scheele , states that he found the violet 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 ...
... experiments of Scheele , states that he found the violet 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 ...
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actinic ammonia appears Becquerel bleaching blue rays brown calotype camera obscura carbonic acid chemical action chemical change chemical rays chloride of silver chromate collodion COLLODION PROCESS colour combination copper Daguerreotype dark darkened distilled water dried Edition effect Engravings experiments exposed exposure fluid formed gallic acid germination gold green rays heat hyposulphite of soda impression influence intensity iodide of silver iodine iron least refrangible Light luminous rays mercury metallic minutes 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 Prussian blue 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 violet rays visible vols washed yellow rays
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