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 32
... iodine , which possesses the property of evaporating at the ordinary temperatures . " It will be seen that the Daguerreotype process , which derives its name from its discoverer , consists in the application of iodine to silver plates ...
... iodine , which possesses the property of evaporating at the ordinary temperatures . " It will be seen that the Daguerreotype process , which derives its name from its discoverer , consists in the application of iodine to silver plates ...
Сторінка 33
... iodine . " I repeat it , Sir , " he says , " I do not see that we can hope to derive any advantage from this process , more than from any other method which depends upon the use of metallic oxides , " & c . & c . In another letter he ...
... iodine . " I repeat it , Sir , " he says , " I do not see that we can hope to derive any advantage from this process , more than from any other method which depends upon the use of metallic oxides , " & c . & c . In another letter he ...
Сторінка 70
... iodine is present , the paper becomes a deep yellow . This obliteration is effected by washing the picture with a solution of corro- sive sublimate , soaking it in water , and drying it . Though invisible , the picture still exists ...
... iodine is present , the paper becomes a deep yellow . This obliteration is effected by washing the picture with a solution of corro- sive sublimate , soaking it in water , and drying it . Though invisible , the picture still exists ...
Сторінка 81
... iodine or bromine for chlorine , the rationale is correctly represented . Perfectly pure iodide of silver may be exposed for a long period to Light without undergoing any visible change ; except , perhaps , in some cases a more decided ...
... iodine or bromine for chlorine , the rationale is correctly represented . Perfectly pure iodide of silver may be exposed for a long period to Light without undergoing any visible change ; except , perhaps , in some cases a more decided ...
Сторінка 82
... iodine and of silver can be used , according to my own experience , are the following : - Twenty grains of nitrate of silver should be dissolved in half an ounce of distilled water , and this , with a very soft brush , carefully applied ...
... iodine and of silver can be used , according to my own experience , are the following : - Twenty grains of nitrate of silver should be dissolved in half an ounce of distilled water , and this , with a very soft brush , carefully applied ...
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Загальні терміни та фрази
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