Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
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Сторінка 45
... least refrangible rays , rendered evident by moats in the fluid passing freely through ; and if the spectrum is re- ceived on a screen , but little loss of light or colour will be perceived . From a certain point near the least refrangi ...
... least refrangible rays , rendered evident by moats in the fluid passing freely through ; and if the spectrum is re- ceived on a screen , but little loss of light or colour will be perceived . From a certain point near the least refrangi ...
Сторінка 48
... least refrangible edge of the red ray ; half way between A and B is a group of seven lines , forming a black band ; between в and c are nine lines , and b is a triple line in the green ; between F and G are 185 lines , and between G and ...
... least refrangible edge of the red ray ; half way between A and B is a group of seven lines , forming a black band ; between в and c are nine lines , and b is a triple line in the green ; between F and G are 185 lines , and between G and ...
Сторінка 51
... least efficacy . We have traced these calorific rays throughout the whole extent of the prismatic spectrum , and found their power increasing , while their refrangibility was lessened , as far as to the confines of red - coloured Light ...
... least efficacy . We have traced these calorific rays throughout the whole extent of the prismatic spectrum , and found their power increasing , while their refrangibility was lessened , as far as to the confines of red - coloured Light ...
Сторінка 52
... least refrangible rays , and particularly in rays which were not visible to us ; and also having proved that the maximum of luminous power was found in the yellow ray- Ritter having demonstrated that invisible rays of great ...
... least refrangible rays , and particularly in rays which were not visible to us ; and also having proved that the maximum of luminous power was found in the yellow ray- Ritter having demonstrated that invisible rays of great ...
Сторінка 55
... least to me , that the calorific rays have an existence independent of the lumi- nous rays of the solar spectrum , and that Heat occupies a larger space than Light in the spectrum . Melloni has shown , by some admirable experiments ...
... least to me , that the calorific rays have an existence independent of the lumi- nous rays of the solar spectrum , and that Heat occupies a larger space than Light in the spectrum . Melloni has shown , by some admirable experiments ...
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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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