 | John Claudius Loudon - 1822 - 1494 pagine
...on, they form an electrical battery which will srive strong shocks and sparks, and which is possessed of remarkable chemical powers. The luminous phenomena...taking place in nature, on the surface of the earth, ind in the atmosphere ; but as yet the effects of this power in vegetation have not been correctly... | |
 | John Claudius Loudon - 1825 - 1250 pagine
...the influence of light. (Note* to Sir il. Davy's Agr. Chem. p. 4O2.) SECT. II. Of Electricity. 2260. Electrical changes are constantly taking place in...effects of this power in vegetation have not been correctly estimated. It has been shown by experiments made by means of the voltaic battery, that compound... | |
 | John Claudius Loudon - 1826 - 1252 pagine
...Electricity. 22GO. Electrical changes arc constantly talcing place in nature, on the surface of the card), and in the atmosphere ; but as yet the effects of this power in vegetation have not been correctly estimated. It has been shown by experiments made by means of the voltaic battery, that compound... | |
 | John Claudius Loudon - 1831 - 1330 pagine
...the influence of light, (\ulcs to Sir 7/. Davy's Agr. Cbem. p. 40i.) SECT. II. Of Electricity. 2327. Electrical changes are constantly taking place in...atmosphere ; but as yet the effects of this power on vegetation have not been correctly estimated. It has been shown by experiments made by means of... | |
 | John Claudius Loudon - 1835 - 1326 pagine
...11. Davy's Agr. Chan., p. 4O2.) SECT. II. Of Electricity. 1 989. Electrical c/innget are cmutanily taking place in nature, on the surface of the earth,...atmosphere ; but, as yet, the effects of this power on vegetation have not been correctly estimated. It has been shown by experiments made by means of... | |
 | Sir Humphry Davy - 1836 - 458 pagine
...on, they form an electrical battery which will- give strong shocks and sparks, and which is possessed of remarkable chemical powers. The luminous phenomena...effects of this power in vegetation have not been correctly estimated. It has been shown by experiments made by means of the Voltaic battery (the instrument... | |
 | John Towers (C.M.H.S.) - 1839 - 746 pagine
...time without the presence of this element. The agency of electricity in vegetation is less known." '•'•Electrical changes are constantly taking place...effects of this power in vegetation have not been correctly estimated. It has been shown by experiments, made by means of the voltaic battery, that compound... | |
 | Cuthbert William Johnson - 1842 - 1364 pagine
...derive instruction from its study. " Electrical changes," said Davy (Elements of Agr. Chem. p. 41.), "are constantly taking place in nature on the surface...effects of this power in vegetation have not been correctly estimated. It has been shown, by experiments made by means of the voltaic battery (the instrument... | |
 | 1842 - 638 pagine
...sagacity when he observed, " Electrical changes are constantly taking place in nature, on the surface on the earth, and in the atmosphere ; but as yet the effects of this power on vegetation have not been correctly estimated. It has been shown, by experiments made by means of... | |
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... of remarkable chemical powers. The luminous phenomena produced by common electricity are well known. It would be improper to dwell upon them in this place. They are the most impressive effects occasioned by this agent ; and they offer illustrations... 