Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
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Сторінка 33
... impression from an engraving , even under the influence of a bright sun ; and in the camera obscura , the plate was left under the influence of strong Light for six or eight hours , and sometimes even longer , before a tolerable picture ...
... impression from an engraving , even under the influence of a bright sun ; and in the camera obscura , the plate was left under the influence of strong Light for six or eight hours , and sometimes even longer , before a tolerable picture ...
Сторінка 38
... impression . The determination of the dark lines in the spectrum , to be presently noticed , has greatly facilitated the measurement of the rays , but still the objection urged remains in all its force . ( 44. ) Newton and Frannhofer's ...
... impression . The determination of the dark lines in the spectrum , to be presently noticed , has greatly facilitated the measurement of the rays , but still the objection urged remains in all its force . ( 44. ) Newton and Frannhofer's ...
Сторінка 40
... impression on the retina before it is obliterated by the next in order . ( 48. ) Sir David Brewster instituted an examination of the compound nature of Light by absorption ; that is by viewing the spectrum after the rays have been ...
... impression on the retina before it is obliterated by the next in order . ( 48. ) Sir David Brewster instituted an examination of the compound nature of Light by absorption ; that is by viewing the spectrum after the rays have been ...
Сторінка 49
... impression , and similar ones formed over the parts acted upon by the obscure rays . A very broad line is formed at I , by the union of many smaller lines . After it , at M Y , four other lines are formed ; and at N , four others ...
... impression , and similar ones formed over the parts acted upon by the obscure rays . A very broad line is formed at I , by the union of many smaller lines . After it , at M Y , four other lines are formed ; and at N , four others ...
Сторінка 63
... impression on the paper , which passes into green over the space occupied by the yellow rays . Above this a leaden blue is discovered , and about the mean blue ray , where the action is greatest , it rapidly passes through brown into ...
... impression on the paper , which passes into green over the space occupied by the yellow rays . Above this a leaden blue is discovered , and about the mean blue ray , where the action is greatest , it rapidly passes through brown into ...
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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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