Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
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Сторінка 4
... chemical changes of the most singular kind are brought about , in living and in dead matter , in organic and inor- ganic bodies , is the sole subject of investigation . ( 6. ) Although the most ordinary observer must , through all time ...
... chemical changes of the most singular kind are brought about , in living and in dead matter , in organic and inor- ganic bodies , is the sole subject of investigation . ( 6. ) Although the most ordinary observer must , through all time ...
Сторінка 7
... chemical agencies of the different rays of the prismatic spectrum , the curiosity of a gifted mind had advanced very nearly to the truth . In the " Memoirs for a General History of the Air , " we find the following remarkable passages ...
... chemical agencies of the different rays of the prismatic spectrum , the curiosity of a gifted mind had advanced very nearly to the truth . In the " Memoirs for a General History of the Air , " we find the following remarkable passages ...
Сторінка 14
... chemistry of vegetation , up to this point , was , that Light was essential to healthful vegetation ; but that the de- composition of the carbonic acid by the plant took place Nicholson's Journal , August , 1804 . + Priestley ...
... chemistry of vegetation , up to this point , was , that Light was essential to healthful vegetation ; but that the de- composition of the carbonic acid by the plant took place Nicholson's Journal , August , 1804 . + Priestley ...
Сторінка 20
... chemical intensity was greatest at the violet end of the spectrum , and that it extended , as Ritter and Wollaston had observed , a little beyond that extremity . When he left substances exposed for a certain time to the action of each ...
... chemical intensity was greatest at the violet end of the spectrum , and that it extended , as Ritter and Wollaston had observed , a little beyond that extremity . When he left substances exposed for a certain time to the action of each ...
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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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