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 2
... Sun has been the object of his untutored adoration . ( 3. ) The uncultivated inhabitant of the wilds of nature had his moments of contemplation ; and then his thoughts , travelling in the misty labyrinth of ignorance and super- stition ...
... Sun has been the object of his untutored adoration . ( 3. ) The uncultivated inhabitant of the wilds of nature had his moments of contemplation ; and then his thoughts , travelling in the misty labyrinth of ignorance and super- stition ...
Сторінка 3
... sun , at an early period became evident to man ; and when the innate consciousness of a creative power was struggling ... sun's rays could not escape notice ; and the story of the mirrors of Archimides suffi- ciently proves that ...
... sun , at an early period became evident to man ; and when the innate consciousness of a creative power was struggling ... sun's rays could not escape notice ; and the story of the mirrors of Archimides suffi- ciently proves that ...
Сторінка 4
... sun's rays weakened and even destroyed some colours , while others were darkened by their influence , yet these facts excited no attention ; and it was reserved for the philosophers of our own time to show , that the study of this ...
... sun's rays weakened and even destroyed some colours , while others were darkened by their influence , yet these facts excited no attention ; and it was reserved for the philosophers of our own time to show , that the study of this ...
Сторінка 5
... sun's rays . This and other peculiar influences which the alchymists observed , led them to fancy that the " sulphu- rous principle " of Light was one of the most important agents in giving to Nature her infinite variety of form ...
... sun's rays . This and other peculiar influences which the alchymists observed , led them to fancy that the " sulphu- rous principle " of Light was one of the most important agents in giving to Nature her infinite variety of form ...
Сторінка 8
... sun not only shines upon all the planets , but by his genial warmth calls forth , excites , and raises the mo- tions , properties , and powers peculiar to them : whence , according to the angle they make with that grand luminary , and ...
... sun not only shines upon all the planets , but by his genial warmth calls forth , excites , and raises the mo- tions , properties , and powers peculiar to them : whence , according to the angle they make with that grand luminary , and ...
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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