Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
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Сторінка 92
... extend , in different degrees , over the whole space moistened by that salt . - ― two It is then dried speedily as pos- ( 141. ) The most successful form of manipulation is the following : -A piece of well - glazed letter - paper is ...
... extend , in different degrees , over the whole space moistened by that salt . - ― two It is then dried speedily as pos- ( 141. ) The most successful form of manipulation is the following : -A piece of well - glazed letter - paper is ...
Сторінка 100
... terminations , so as to leave a perfectly clear and distinct white border all around it , as represented in No. 2. This circle gradually extended EFFECTS OF COLOURED MEDIA . 101 itself into an oval. 100 RESEARCHES ON LIGHT .
... terminations , so as to leave a perfectly clear and distinct white border all around it , as represented in No. 2. This circle gradually extended EFFECTS OF COLOURED MEDIA . 101 itself into an oval. 100 RESEARCHES ON LIGHT .
Сторінка 120
... extended space is protected from the agency of the dispersed light , and its whiteness maintained ; thus confirming the evidence of some chemical power in action , over a space beyond the luminous spec- trum , which corresponds with the ...
... extended space is protected from the agency of the dispersed light , and its whiteness maintained ; thus confirming the evidence of some chemical power in action , over a space beyond the luminous spec- trum , which corresponds with the ...
Сторінка 123
... extended over the region of the most refrangible rays , and considerably beyond them . We observe again in this instance , the negative action of the extreme red rays , which has been previously described . ( 195. ) FLUORIDE OF SILVER ...
... extended over the region of the most refrangible rays , and considerably beyond them . We observe again in this instance , the negative action of the extreme red rays , which has been previously described . ( 195. ) FLUORIDE OF SILVER ...
Сторінка 129
... extended so far be- yond the visible violet . ( 208. ) It would only be unnecessarily complicating the subject , and swelling the size of this volume , if I parti- cularised the effects produced upon all the salts of silver which I have ...
... extended so far be- yond the visible violet . ( 208. ) It would only be unnecessarily complicating the subject , and swelling the size of this volume , if I parti- cularised the effects produced upon all the salts of silver which I have ...
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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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