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 21
... passed over in the order of time . To a consideration of these , however , it is neces- sary now to return . In June , 1802 , Mr. Thomas Wedgwood , the son of the cele- brated porcelain manufacturer , published , in the Journals of the ...
... passed over in the order of time . To a consideration of these , however , it is neces- sary now to return . In June , 1802 , Mr. Thomas Wedgwood , the son of the cele- brated porcelain manufacturer , published , in the Journals of the ...
Сторінка 22
... passing through dif- ferent shades of grey and brown , becomes at length nearly black . The alterations of colour take ... passed through red glass , have very little action upon it ; yellow and green are more efficacious , but blue and ...
... passing through dif- ferent shades of grey and brown , becomes at length nearly black . The alterations of colour take ... passed through red glass , have very little action upon it ; yellow and green are more efficacious , but blue and ...
Сторінка 34
... passed , securing to M. Daguerre a pension for life of 6000 francs , and to M. Isidore Niepce of 4000 francs , with one half in reversion to their widows , the process by which these pictures were produced was published . ( 38. ) Mr ...
... passed , securing to M. Daguerre a pension for life of 6000 francs , and to M. Isidore Niepce of 4000 francs , with one half in reversion to their widows , the process by which these pictures were produced was published . ( 38. ) Mr ...
Сторінка 43
... passing into white . ( 54. ) Such is the state of the discussion as to the constitu- tion of the spectrum . Whether the theory of the seven pris- matic rays of Newton are to be adopted , or the three super- posed spectra of Brewster ...
... passing into white . ( 54. ) Such is the state of the discussion as to the constitu- tion of the spectrum . Whether the theory of the seven pris- matic rays of Newton are to be adopted , or the three super- posed spectra of Brewster ...
Сторінка 44
... passed through such a stratum , had lost the power of producing the same effect . This pecu- liar dispersion of light taking place at or near the surface of the body , was called by Sir John Herschel Epipolic ; and a beam of light which ...
... passed through such a stratum , had lost the power of producing the same effect . This pecu- liar dispersion of light taking place at or near the surface of the body , was called by Sir John Herschel Epipolic ; and a beam of light which ...
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absorption actinic ammonia appears Becquerel bleaching blue rays bodies brown calorific rays calotype camera obscura carbonic acid chemical action chemical change chemical rays chloride of silver chromate colour combination copper Daguerreotype dark darkened dissolved distilled water dried effect employed evident experiments exposed exposure ferrocyanide fluid formed gallic acid germination gold green rays heat hyposulphite of soda impression influence intensity invisible iodide of silver iodine iron least refrangible Light luminous rays mercury metallic minutes Niepce nitrate of silver nitric acid observed obtained oxide oxygen paper peculiar phenomena photographic picture placed plants plate portion potash potassium precipitate prepared prism prismatic spectrum produced quantity quinine radiations red rays refrangible rays remarkable rendered 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 washed yellow ray