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 xv
... orange rays - will not produce change of colour in the chloride of silver . 2nd . Those rays which have the least illuminating power the blue and violet - produce the greatest change , and in an exceedingly short space of time . 3rd ...
... orange rays - will not produce change of colour in the chloride of silver . 2nd . Those rays which have the least illuminating power the blue and violet - produce the greatest change , and in an exceedingly short space of time . 3rd ...
Сторінка xvii
... orange rays of one are thrown upon the most active blue and violet rays of the other . The result is , that chemical action is entirely stopped . This may be said to be due to interference ; but I must confess I cannot understand upon ...
... orange rays of one are thrown upon the most active blue and violet rays of the other . The result is , that chemical action is entirely stopped . This may be said to be due to interference ; but I must confess I cannot understand upon ...
Сторінка 12
... orange colour . It was ascertained by several trials that the light of a can- dle produced no change , the decomposition of the salts of gold and silver in these experiments being solely effected by the agency of heat . ( 16. ) Count ...
... orange colour . It was ascertained by several trials that the light of a can- dle produced no change , the decomposition of the salts of gold and silver in these experiments being solely effected by the agency of heat . ( 16. ) Count ...
Сторінка 38
... Orange 3. Yellow 4. Green 5. Blue 6. Indigo 7. Violet 45 56 · 27 27 · 40 27 60 46 60 48 48 47 80 --- 109 Total length 360 360 ( 45. ) Sir Isaac Newton showed , that the different rays of Light had different indices of refraction ; the ...
... Orange 3. Yellow 4. Green 5. Blue 6. Indigo 7. Violet 45 56 · 27 27 · 40 27 60 46 60 48 48 47 80 --- 109 Total length 360 360 ( 45. ) Sir Isaac Newton showed , that the different rays of Light had different indices of refraction ; the ...
Сторінка 40
... orange , and violet rays ; that is , that according to the measurements of Frannhofer 192 parts out of the 360 give direct evidence of red Light . 2. The eye detects yellow Light in the orange , yellow , and green , and these rays ...
... orange , and violet rays ; that is , that according to the measurements of Frannhofer 192 parts out of the 360 give direct evidence of red Light . 2. The eye detects yellow Light in the orange , yellow , and green , and these rays ...
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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