Nature, Volumen40Sir Norman Lockyer Macmillan Journals Limited, 1889 |
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acid aluminium apparatus appears Astronomical atmosphere atomic weight body Borneo British candle units carbon chemical chloride coast collection College colour comet contains coral coral reefs corresponding described determined direction electric equation examination exhibited experiments fact feet fish geological give gneiss Greenwich mean heat illustrated important inches Institute interesting iron island June light lighthouse liquid London magnetic mass mathematical matter means ment metal meteorites method miles millimetres Museum nature Nicol prism nitric acid nitrogen observations Observatory obtained occur paper Phenacodus photographs plane plants plates polarization present pressure produced Prof quartz recent reefs regard remarkable Report researches rocks rotation Royal schists schools scientific Silurian Society solution South species specimens spectrum stars substances surface tellurium temperature theory tion Trinity House Uranus various velocity volume Wilhelmshaven
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Página 112 - I beg to state that, in my opinion, Professor Holmes has practically established the fitness and sufficiency of the magneto-electric light for lighthouse purposes, so far as its nature and management are concerned. The light produced is powerful beyond any other that I have yet seen so applied, and in principle may be accumulated to any degree ; its regularity in the lantern is great ; its management easy, and its care there may be confided to attentive keepers of the ordinary degree of intellect...
Página 196 - When, in 1871, I described to the Russian Chemical Society the properties, clearly defined by the periodic law, which such elements ought to possess, I never hoped that I should live to mention their discovery to the Chemical Society of Great Britain as a confirmation of the exactitude and the generality of the periodic law.
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Página xviii - SMITH.— GRAPHICS, or the Art of Calculation by Drawing Lines, applied especially to Mechanical Engineering. By ROBERT H. SMITH, Professor of Engineering, Mason College, Birmingham. Part I. With separate Atlas of 29 Plates containing 97 Diagrams. 8vo. , 15$.
Página 161 - To deceive this suspicious bird, the plan was hit upon of sending two men into the watch-house, one of whom passed on while the other remained; but the crow counted and kept her distance. The next day three went, and again she perceived that only two returned. In fine it was found necessary to send five or six men to the watch-house in order to put her out of her calculation.
Página 209 - for the advancement and prosecution of scientific research in its broadest sense," now amounts to §25,000. As the income is already available, the trustees desire to receive applications for appropriations in aid of scientific work. This endowment is not for the benefit of any one department of science, but it is the intention of the trustees to give the preference to those investigations...