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 9
... silver employed in Photography , - carefully settled by Scheele in 1777 , although his object was to prove that the ... ( nitrate of silver ) , poured on a piece * Sur la Végétation des Sels . Mém . de Paris , 1722 . † Observations sur l ...
... silver employed in Photography , - carefully settled by Scheele in 1777 , although his object was to prove that the ... ( nitrate of silver ) , poured on a piece * Sur la Végétation des Sels . Mém . de Paris , 1722 . † Observations sur l ...
Сторінка 17
... nitrate of silver , placed at the distance of about nine inches from the mi- croscope . In the course of an hour , portions of three dark rings were very distinctly visible , much smaller than the brightest rings of the coloured image ...
... nitrate of silver , placed at the distance of about nine inches from the mi- croscope . In the course of an hour , portions of three dark rings were very distinctly visible , much smaller than the brightest rings of the coloured image ...
Сторінка 21
... Nitrate of Silver ; with Observa- tions by H. Davy . " This was certainly the first published account of any attempt to produce images by the decom- posing powers of Light . It does indeed appear , с 3.
... Nitrate of Silver ; with Observa- tions by H. Davy . " This was certainly the first published account of any attempt to produce images by the decom- posing powers of Light . It does indeed appear , с 3.
Сторінка 22
... nitrate of silver . Notwithstanding the imperfect character of his process , it is so very interesting , as the first attempt at producing pictures by Light , that I shall copy the author's description of it , and some of the remarks ...
... nitrate of silver . Notwithstanding the imperfect character of his process , it is so very interesting , as the first attempt at producing pictures by Light , that I shall copy the author's description of it , and some of the remarks ...
Сторінка 23
... nitrate of silver . To copy these images was the first object of Mr. Wedgwood , in his researches on the subject ; and for this purpose he first used the nitrate of silver , which was men- tioned to him by a friend , as a substance very ...
... nitrate of silver . To copy these images was the first object of Mr. Wedgwood , in his researches on the subject ; and for this purpose he first used the nitrate of silver , which was men- tioned to him by a friend , as a substance very ...
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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