 | Industrial arts - 1808 - 476 pages
...produced when pieces of copper, silver, gold, plumbago, or even charcoal, were emplpyed for completing the circuit. •» The phenomenon was independent...presence of air : I found that it took place when the alk;. ii was j» the vacuum of tm exhausted receiver. The substance was likewise produced from potash... | |
 | William Nicholson - Science - 1808 - 846 pages
...comwletinir the circuit. Produced in The phenomenon was independent of the presence of air ; '**cuo' I found that it took place when the alkali was in the vacuum «f an exhausted receiver. In a flan tube The substance was likewise produced from potash fused, by... | |
 | Mrs. Marcet (Jane Haldimand), Sir Humphry Davy - Chemistry - 1809 - 434 pages
...produced, wIien pieces of copper, silver, gold, plumbago, and even charcoal were employed for completing the circuit. The phenomenon was independent of the...took place when the alkali was in the vacuum of an exhauSed receiver. The substance was likewise produced tram potash fused by means of a lamp, in glass... | |
 | Arthur Aikin - 1809 - 832 pages
...produced when pieces of copper, silver, goli, plumbago, or even charcoal, were employed tor complecting the circuit. " The phenomenon was independent of the presence of air ; I found thaiii took place when the alkali was in the vacuum of an exhausted receiver." When the decomposition... | |
 | History - 1810 - 928 pages
...were employed for com. pleting the circuit. The phenomenon was independent of the presence of air ; f found that it took place when the alkali was in the vacuum of an ex. hausted receiver. The substance was likewise pro« duced from potash fused by means of a lamp,... | |
 | Edmund Burke - History - 1810 - 960 pages
...produced when pieces of copper, silver, gold, plumbago, or even charcoaj were employed for completing the circuit. The phenomenon was independent of the presence of air; I found'that it took place when the alkali was in the vacuum of an exhaustcd receiver. The substance... | |
 | Mrs. Marcet (Jane Haldimand) - Chemistry - 1814 - 432 pages
...produced, when pieces of copper, silver,, goKI, plumbago, uud even charcoal were employed /or completing the circuit. The phenomenon was independent of the...produced from potash fused by means of a lamp, in glass tube* confined by mercury, and furnished with hermetically inserted platina wires, by which the electrical... | |
 | Benjamin Silliman - Chemistry - 1830 - 546 pages
...no agency in producing the globules, for, they were evolved when the alkali was placed in a vacuum.* The substance was likewise produced from potash, fused by means of a lamp, in glass tubes, confined over mercury, and furnished with hermetically inserted platinum wires, by which the electrical action... | |
 | Science - 1877 - 188 pages
...except as the medium for exhibiting the electrical powers of decomposition. The phenomenon was also independent of the presence of air. I found that it...alkali was in the vacuum of an exhausted receiver." 1 hope to show you this experiment, performed just as Davy did it. I take a piece of white alkali,... | |
 | Edwin James Houston - Electricity - 1894 - 240 pages
...substance of tho Davy showed that potassa consists of a hitherto undissame kind was produced when a piece of copper, silver, gold, plumbago, or even charcoal...I found that it took place when the alkali was in a vacuum of an exhausted receiver." "The substance was likewise produced from potash fused by means... | |
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... basis of potash. I found that the platina was in no way connected with the result, except as the medium for exhibiting the electrical powers of decomposition ; and a substance of the same kind was produced when pieces of copper, silver, gold, plumbago,... 
