Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic Processes |
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Page xiv
... existence of the air - the fact of the vibrating cord ; and if we place some peculiar arrangements of mobile bodies between the cord and the ear , we prove that the air partakes of the undulations of the string . Upon a fancied analogy ...
... existence of the air - the fact of the vibrating cord ; and if we place some peculiar arrangements of mobile bodies between the cord and the ear , we prove that the air partakes of the undulations of the string . Upon a fancied analogy ...
Page 11
... existence of those chemical properties in Light which had been attri- buted to it ; and , to conclude , that all those visible changes produced in bodies by the action of the sun's rays were effected merely by the heat which is ...
... existence of those chemical properties in Light which had been attri- buted to it ; and , to conclude , that all those visible changes produced in bodies by the action of the sun's rays were effected merely by the heat which is ...
Page 15
... existence * Experiments and Observations on the Vitality of Germs . Journal de Physique Ventose , p . 9 . † Mémoires de la Société de Physique et d'Histoire Naturelle de Genève , tom . iv . p . 1 . Voigt's Magazine , vol . iv . of solar ...
... existence * Experiments and Observations on the Vitality of Germs . Journal de Physique Ventose , p . 9 . † Mémoires de la Société de Physique et d'Histoire Naturelle de Genève , tom . iv . p . 1 . Voigt's Magazine , vol . iv . of solar ...
Page 40
... existence of red in the blue and indigo , as well as in the violet rays . ( b . ) Seen through a certain thickness of balsam of sulphur , the red rays show a green band ; these are con- sidered necessarily , therefore , as containing ...
... existence of red in the blue and indigo , as well as in the violet rays . ( b . ) Seen through a certain thickness of balsam of sulphur , the red rays show a green band ; these are con- sidered necessarily , therefore , as containing ...
Page 48
... existence of these conditions will be apparent , and the best arrangement for obtaining a pure spectrum described . ( 62. ) Howsoever pure the spectrum may be , it is not an uninterrupted line of light , but it is crossed by spaces ...
... existence of these conditions will be apparent , and the best arrangement for obtaining a pure spectrum described . ( 62. ) Howsoever pure the spectrum may be , it is not an uninterrupted line of light , but it is crossed by spaces ...
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Common terms and phrases
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 Daguerreotype dark darkened distilled water dried Edition effect Engravings evident experiments exposed exposure ferrocyanide 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 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 solution of nitrate space sun's rays sunshine surface tint tion uranium glass vapour vegetable violet rays visible vols washed Woodcuts yellow ray
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