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
... pictures by Solar Light , the experiments which these " Researches " record were commenced , and they have been continued almost without intermission to the time . present Many of the Photographic processes described were the reward of ...
... pictures by Solar Light , the experiments which these " Researches " record were commenced , and they have been continued almost without intermission to the time . present Many of the Photographic processes described were the reward of ...
Сторінка xv
... pictures produced in the camera obscura by the influence of the solar rays , have been called Photo- graphic drawings . When , however , we proceed with our examination and clearly understand all the conditions under which chloride of ...
... pictures produced in the camera obscura by the influence of the solar rays , have been called Photo- graphic drawings . When , however , we proceed with our examination and clearly understand all the conditions under which chloride of ...
Сторінка 21
Embracing a Consideration of All the Photographic Processes Robert Hunt. EARLIEST PHOTOGRAPHIC PICTURES . 21 other hand , when exposed to the other pencil , which was much less bright and less hot , it was blackened in less than six ...
Embracing a Consideration of All the Photographic Processes Robert Hunt. EARLIEST PHOTOGRAPHIC PICTURES . 21 other hand , when exposed to the other pencil , which was much less bright and less hot , it was blackened in less than six ...
Сторінка 22
... pictures by Light , that I shall copy the author's description of it , and some of the remarks , from the Memoir : - ( 32. ) " White paper , or white leather , moistened with solution of nitrate of silver , undergoes no change when kept ...
... pictures by Light , that I shall copy the author's description of it , and some of the remarks , from the Memoir : - ( 32. ) " White paper , or white leather , moistened with solution of nitrate of silver , undergoes no change when kept ...
Сторінка 24
... pictures , appears to have discouraged any further experiments of this kind at that time in England . It must not , however , be forgotten that their progress in this path was stopped only by the want of a solvent for the chloride of ...
... pictures , appears to have discouraged any further experiments of this kind at that time in England . It must not , however , be forgotten that their progress in this path was stopped only by the want of a solvent for the chloride of ...
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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