Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, Brown, Green, and Longmans, 1854 - 396 стор. |
З цієї книги
Результати 1-5 із 100
Сторінка xvi
... spectrum the chemical action is found at its maximum about the region of the violet rays ; so in the interference spectrum , the chemical change is confined to the violet rings . We must certainly come to the conclusion that the rays ...
... spectrum the chemical action is found at its maximum about the region of the violet rays ; so in the interference spectrum , the chemical change is confined to the violet rings . We must certainly come to the conclusion that the rays ...
Сторінка 15
... spectrum , than of those which possessed superior illuminating power . In 1801 , Labillardière com- municated to the Philomathic Society his discovery that Light was necessary to the development of pores in plants ; and about the same ...
... spectrum , than of those which possessed superior illuminating power . In 1801 , Labillardière com- municated to the Philomathic Society his discovery that Light was necessary to the development of pores in plants ; and about the same ...
Сторінка 16
... spectrum ; in the violet ray it was less dark- ened ; still less in the blue ; below which ray the power of darkening diminished quickly . He also stated that the red ray had the power of restoring darkened chloride of silver to its ...
... spectrum ; in the violet ray it was less dark- ened ; still less in the blue ; below which ray the power of darkening diminished quickly . He also stated that the red ray had the power of restoring darkened chloride of silver to its ...
Сторінка 37
... spectrum ; we speak of it as a solar or a prismatic spectrum , and it is sometimes termed the Newtonian spectrum , since the first satisfactory examination of the solar beam by prismatic decomposition was performed by Sir Isaac Newton ...
... spectrum ; we speak of it as a solar or a prismatic spectrum , and it is sometimes termed the Newtonian spectrum , since the first satisfactory examination of the solar beam by prismatic decomposition was performed by Sir Isaac Newton ...
Сторінка 38
... spectrum , to be presently noticed , has greatly facilitated the measurement of the rays , but still the objection urged remains in all its force . ( 44. ) Newton and Frannhofer's measurement of the rays of the spectrum : - 1. Red 2 ...
... spectrum , to be presently noticed , has greatly facilitated the measurement of the rays , but still the objection urged remains in all its force . ( 44. ) Newton and Frannhofer's measurement of the rays of the spectrum : - 1. Red 2 ...
Інші видання - Показати все
Загальні терміни та фрази
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