The Life of Sir Humphry Davy, BartHenry Colburn and Richard Bentley, 1831 - 547 pages |
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Page xiii
... produced in different chemical processes on Fluor Spar . - His work on Agricultural Chemistry . 226 CHAPTER X. Mr. Faraday's introduction to Sir H. Davy . - A renewed correspondence on the subject of the Gunpowder Manufactory . - Davy ...
... produced in different chemical processes on Fluor Spar . - His work on Agricultural Chemistry . 226 CHAPTER X. Mr. Faraday's introduction to Sir H. Davy . - A renewed correspondence on the subject of the Gunpowder Manufactory . - Davy ...
Page 47
... produce any light . The experiment was repeated in carbonic acid , and with a similar result . Small particles were ... produced in these experiments , where heat existed to an extent sufficient to fuse steel . Nor , that it can be , as ...
... produce any light . The experiment was repeated in carbonic acid , and with a similar result . Small particles were ... produced in these experiments , where heat existed to an extent sufficient to fuse steel . Nor , that it can be , as ...
Page 55
... produced a faint light . The novelty of this phenomenon induced me to examine it , and I found that the canes on collision produced sparks of light , as brilliant as those from the flint and steel . Secondly . On examining the epidermis ...
... produced a faint light . The novelty of this phenomenon induced me to examine it , and I found that the canes on collision produced sparks of light , as brilliant as those from the flint and steel . Secondly . On examining the epidermis ...
Page 56
... produced no alteration in my pulse , nor any other material effect ; whereas this gas raised my pulse upwards of ... producing the most terrible effects , when respired by animals in the minutest quantities , or even when applied to the ...
... produced no alteration in my pulse , nor any other material effect ; whereas this gas raised my pulse upwards of ... producing the most terrible effects , when respired by animals in the minutest quantities , or even when applied to the ...
Page 57
... produced no alteration in my pulse , nor any other material effect ; raised gas 18 - h ceas this my pulse upwards of ... producing the most terrible effects , when respired by animals in the minutest quantities , or even when applied to ...
... produced no alteration in my pulse , nor any other material effect ; raised gas 18 - h ceas this my pulse upwards of ... producing the most terrible effects , when respired by animals in the minutest quantities , or even when applied to ...
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Common terms and phrases
action alkalies ammonia amongst animal appear applied ascertained atmosphere Bakerian Lecture beautiful Beddoes bodies carbonic acid charcoal chemical chemist chemistry chlorine circumstances colour combinations combustion communicated compound considered containing copper copper sheathing DAVIES GIDDY Davies Gilbert Davy's DEAR POOLE decomposed decomposition discovered discovery earth effect electricity enquiry examination experiments explosion fact feeling fire-damp flame fluid galvanic genius heat honour hope hydrogen important inflammable interest Iodine iron labours lamp lectures letter light lime magnesia matter memoir mercury metallic mind muriatic acid nature nitrous oxide object observed obtained occasion opinion oxygen oxymuriatic paper Penzance phenomena philosopher potash potassium present principle produced quantity received rendered researches respect Royal Institution Royal Society Safety-lamp says scientific Sir H Sir Humphry Davy soil solution substance sulphur supposed surface temperature theory tion truth tube vegetable vessel Voltaic wire zinc
Popular passages
Page 9 - I see, men's judgments are A parcel of their fortunes ; and things outward Do draw the inward quality after them, To suffer all alike.
Page 460 - A day with not too bright a beam, A warm, but not a scorching sun, A southern gale to curl the stream, And, master, half our work is done.
Page 483 - Cannon and fortifications now form an impregnable barrier against the Tartar horse; and Europe is secure from any future irruption of barbarians, since, before they can conquer, they must cease to be barbarous.
Page 338 - I have enough for all my views and purposes ; more wealth might be troublesome, and distract my attention from those pursuits in which I delight; — more wealth,' he added, ' could not increase either my fame or my happiness. It might, undoubtedly, enable me to put four horses to my carriage ; but what would it avail me to have it said that Sir Humphry drives his carriage and four...
Page 454 - ... who, alarmed at your approach, rapidly hide themselves beneath the flowers and leaves of the water-lily ; and as the season advances, to find all these objects changed for others of the same kind, but better and brighter, till the swallow and the trout contend as it •were for the gaudy...
Page 109 - Christabel unfinished, and as I had before heard it. What talent does he not waste in forming visions, sublime, but unconnected with the real world ! I have looked to his efforts, as to the efforts of a creating being ; but as yet, he has not even laid the foundation for the new world of intellectual forms.
Page 461 - Can you explain this omen ? Phys. A rainbow can only occur when the clouds containing or depositing the rain are opposite to the sun, — and in the evening the rainbow is in the east, and in the morning in the west ; and as our heavy rains, in this climate, are usually brought by the westerly wind, a...
Page 156 - ... and the doctrine of light and colours, seems to be giving us an inlet into their internal structure, on which all their sensible properties depend. By pursuing this new light, therefore, the bounds of natural science may possibly be extended beyond what we can now form an idea of. New worlds may open to our view, and the glory of the great Sir Isaac Newton himself, and all his contemporaries, be eclipsed by a new set of philosophers, in quite a new field of speculation.
Page 461 - I have generally observed a coppery or yellow sunset to foretel rain; but, as an indication of wet weather approaching, nothing is more certain than a halo round the moon, which is produced by the precipitated water ; and the larger the circle, the nearer the clouds, and consequently the more ready to fall.
Page 463 - All the instances of omens you have mentioned are founded on reason ; but how can you explain such absurdities as Friday being an unlucky day, the terror of spilling salt, or meeting an old woman ? I knew a man, of very high dignity...