Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
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Сторінка vi
... entirely original . The investigations on the influence of Light on Germination and the Growth of Plants , with the practical applications which have been made of my discoveries , I can refer to with satisfaction . * I have used the ...
... entirely original . The investigations on the influence of Light on Germination and the Growth of Plants , with the practical applications which have been made of my discoveries , I can refer to with satisfaction . * I have used the ...
Сторінка xvii
... entirely stopped . This may be said to be due to interference ; but I must confess I cannot understand upon what principle the action of rays undulating 535 millions of millions of times in a second , and producing Light , can interfere ...
... entirely stopped . This may be said to be due to interference ; but I must confess I cannot understand upon what principle the action of rays undulating 535 millions of millions of times in a second , and producing Light , can interfere ...
Сторінка 54
... entirely white . By degrees the oval and this spot join and run together , forming a white streak deeply indented at the point of junction . It is not till this happens that similar symptoms begin to betray the existence of a still more ...
... entirely white . By degrees the oval and this spot join and run together , forming a white streak deeply indented at the point of junction . It is not till this happens that similar symptoms begin to betray the existence of a still more ...
Сторінка 58
... entirely redissolved . The spectrum produced on this preparation , is not essentially different from that obtained on the nitrate of silver . ( 76. ) NITRATE OF SILVER . - This salt in a state of purity , whether solid or in solution in ...
... entirely redissolved . The spectrum produced on this preparation , is not essentially different from that obtained on the nitrate of silver . ( 76. ) NITRATE OF SILVER . - This salt in a state of purity , whether solid or in solution in ...
Сторінка 68
... entirely obviated . " In my own experience I have found this method generally answer the desired object , but it appears to be somewhat injurious to the sensibility of the paper . If the saline wash is ap- plied with a sponge , care ...
... entirely obviated . " In my own experience I have found this method generally answer the desired object , but it appears to be somewhat injurious to the sensibility of the paper . If the saline wash is ap- plied with a sponge , care ...
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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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