Annals of Philosophy, 8권;24권Baldwin, Cradock, and Joy, 1824 |
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iv 페이지
... Silica Ditto on the Mineral Waters of Carlsbad ....... Col. Beaufoy's Astronomical Observations . Mr. Children's Reply to an erroneous Assertion ..... 119 121 -123 141 141 Analytical Account of the Philosophical Transactions for 1824 ...
... Silica Ditto on the Mineral Waters of Carlsbad ....... Col. Beaufoy's Astronomical Observations . Mr. Children's Reply to an erroneous Assertion ..... 119 121 -123 141 141 Analytical Account of the Philosophical Transactions for 1824 ...
37 페이지
... silica , alumina , magnesia , and almost all the fixed metallic oxides ; and by the further examination of the fused globule , especially that with carbonate of soda , by dissolving it in a drop of muriatic or nitric acid , on a slip of ...
... silica , alumina , magnesia , and almost all the fixed metallic oxides ; and by the further examination of the fused globule , especially that with carbonate of soda , by dissolving it in a drop of muriatic or nitric acid , on a slip of ...
38 페이지
... silica skeleton remains in the globule . With nitrate of cobalt , the assay gives a fine blue colour , intensely deep on the fused edges . By dissolving the soda globule in muriatic acid , & c . I obtained silica , alumina , lime , iron ...
... silica skeleton remains in the globule . With nitrate of cobalt , the assay gives a fine blue colour , intensely deep on the fused edges . By dissolving the soda globule in muriatic acid , & c . I obtained silica , alumina , lime , iron ...
39 페이지
... silica skeleton remains undissolved . With nitrate of cobalt , dirty - rose colour ; the fused edges purple . From the last result , the grey substance appears to contain a considerable portion of magnesia . I hope before long to give ...
... silica skeleton remains undissolved . With nitrate of cobalt , dirty - rose colour ; the fused edges purple . From the last result , the grey substance appears to contain a considerable portion of magnesia . I hope before long to give ...
72 페이지
... Silica and alumina Carbonaceous matter Lime . Moisture Loss ... 43.26 29.30 20.78 2.67 1.89 1.00 1.10 100.00 R. P. 4. Aberthaw Limestone . This limestone , which is highly esteemed for the goodness of the lime which it yields , I have ...
... Silica and alumina Carbonaceous matter Lime . Moisture Loss ... 43.26 29.30 20.78 2.67 1.89 1.00 1.10 100.00 R. P. 4. Aberthaw Limestone . This limestone , which is highly esteemed for the goodness of the lime which it yields , I have ...
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acetic acid alcohol alkali alumina ammonia Annals of Philosophy appears ARTICLE ascertained atom barometer barytes beds boiling bulb carbonate of lime carbonic acid chalk chloride clay colour combined compound containing copper crystals cubic inches decomposed dissolved distilled double salts effect electricity evaporation examination excess experiments fluid fluoric acid glass globule grains gramme green heat hydrogen hydrogen gas ignited insoluble Isle of Wight limestone liquid magnesia manganese mass matter mercury metal mineral minute mixture muriatic acid neutral nitrate nitric acid nitrogen nitrous oxide observed obtained oxide of copper oxide of iron oxygen paratonnerre peroxide of copper phosphate phosphorus plate pole portion potash precipitate produced proportion quantity radiation sand sandstone selenium silica soda soluble solution specific gravity specimens substance sulphate sulphuric acid surface temperature thermometer tion tube vapour verdigris vessel volume weald weald clay weight wire zinc
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395 페이지 - ... noisome effluvia ; during its continuance the fish float quite helpless on the turbid surface, and are easily taken. These rapid changes (as capricious in their nature as those of the Euripus), generally continue from thirty minutes to upwards of two hours ; and are succeeded by a breeze from the southward, which quickly increases to heavy gusts.
277 페이지 - ... appeared in chemistry. When we see energies so intense exerted by the ordinary forms of matter, we may...
95 페이지 - A piece of zinc as large as a pea, or the point of a small iron nail, were found fully adequate to preserve forty or fifty square inches of copper ; and this, wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent, or made into coils. And where the connection between...
293 페이지 - In this instance the loss of sight was toward my left, and was the same whether I looked with the right eye or the left. This blindness was not so complete as to amount to absolute blackness, but was a shaded darkness without definite outline. The complaint was of short duration, and in about a quarter of an hour might be said to be wholly gone, having receded with a gradual motion from the centre of vision obliquely upwards towards the left.
428 페이지 - ... a moist soil. The wire indeed would pretty certainly be dispersed by the lightning, but it would direct it to the ground, and protect the surrounding objects from the stroke. However, it is always better to make the conductor so large as not to be destroyed by the stroke ; and the only motive for substituting a wire for a stout bar is the saving in point of expense. The noise of the thunder generally occasions much alarm, although the danger is then...
182 페이지 - A thick glass, though as much or more permeable to light than a thin glass of worse quality, allows a much smaller quantity of radiant heat to pass.
468 페이지 - ... axis of the prism. It must then be placed upon a piece of well polished glass, and the glass heated to a considerable degree. At the proper temperature, which is about that of boiling water, the slice will adhere to the glass so...
95 페이지 - ... form seven divisions, connected only by the smallest filaments that could be left, and a mass of zinc, of the fifth of an inch in diameter, was soldered to the upper division. The whole was plunged under sea water; the copper remained perfectly polished. The same experiment was made with iron ; and now, after a lapse of a month, in both instances, the copper is as bright as when it was first introduced, whilst similar pieces of copper, undefended, in the same...
432 페이지 - In a dry soil, or on a rock, the trench to receive the conductor should be at least twice as long as that for a common soil, and even longer, if thereby it be possible to reach moist ground. Should the situation not admit of the trench being much increased in length, others, in a transverse direction, should be made, in which small bars of iron, surrounded by ashes are placed, and connected with the conductor. In...
92 페이지 - On the Corrosion of Copper Sheathing by sea- water ; and on methods of preventing this effect, and on their application to ships of war and other ships.