Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
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Сторінка 63
... tint is continued through the invisible rays . At the least refrangible end of the spectrum , the very remark- able phenomenon has been observed , -in the first instance , by Sir John Herschel , of the extreme red rays exerting a ...
... tint is continued through the invisible rays . At the least refrangible end of the spectrum , the very remark- able phenomenon has been observed , -in the first instance , by Sir John Herschel , of the extreme red rays exerting a ...
Сторінка 67
... tint of cerulean blue , and are surrounded by exceedingly definite outlines of perfect whiteness , contrast- ing very much with the blackness of the part immediately succeeding . " There can be but one opinion as to the cause of this ...
... tint of cerulean blue , and are surrounded by exceedingly definite outlines of perfect whiteness , contrast- ing very much with the blackness of the part immediately succeeding . " There can be but one opinion as to the cause of this ...
Сторінка 77
... tint of a lilac hue , at a distance beyond the visible spectrum , equal to one - third its length , and over the space occupied by the least refrangible rays , a brown impression passing into a decided red under the red rays is slowly ...
... tint of a lilac hue , at a distance beyond the visible spectrum , equal to one - third its length , and over the space occupied by the least refrangible rays , a brown impression passing into a decided red under the red rays is slowly ...
Сторінка 78
... tint than either of the others . These plates , as in the former case , were boiled in diluted acid , from which experiment I ascertained that the hydro- gen plate alone gave any evidence of the presence of oxide of silver or revived ...
... tint than either of the others . These plates , as in the former case , were boiled in diluted acid , from which experiment I ascertained that the hydro- gen plate alone gave any evidence of the presence of oxide of silver or revived ...
Сторінка 82
... tint coming on rather suddenly about the end of the blue or the be- ginning of the violet rays of the luminous spectrum . ( Herschel . ) Beyond the extreme violet ray , or rather beyond the maximum point , the action rapidly diminishes ...
... tint coming on rather suddenly about the end of the blue or the be- ginning of the violet rays of the luminous spectrum . ( Herschel . ) Beyond the extreme violet ray , or rather beyond the maximum point , the action rapidly diminishes ...
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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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