Nature, 50. köideSir Norman Lockyer Macmillan Journals Limited, 1894 |
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acid action alternating current animals apparatus appears Astronomical British carbon chemical chemistry cholera College colour Committee compounds contains deposits Diprotodon E. E. Barnard effect electric Engineering examination exhibited experiments fact gabbro Geology given Hadramut heat Hertz hydrogen hydroxylamine illustrated Institute instrument interesting investigation iron J. J. Thomson June Kumagusu Minakata laboratory lake Lake Callabonna larvæ lecture light lines London Lord Kelvin magnetic mathematics matter means measured ment metal meteorological method motion Museum nature nitrogen observations Observatory obtained oxide paper photographs phyllite physical plants plates present President pressure produced Prof Ray Lankester recent reference researches rotation Royal salt scientific Section soap Society solution species specimens spectrum stars substance sulphur sulphuric acid surface teeth temperature theory tion tube University variation volume W. H. Perkin waves whilst wire
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Page 31 - Engineer, being the art of directing the great sources of power in Nature for the use and convenience of man...
Page 71 - Science examination in a group of subjects cognate to their line of work as Research Students. (2) That they have spent not less than two winter sessions or an equivalent period as Research Students in the University granting the degree, and that they produce evidence of satisfactory progress in the special study or research undertaken by them during that period.
Page 107 - Nests. REFERRING to the note by Mr. McMillan, in your issue of May 3, it may be of interest to some of your readers to know that...
Page 251 - ... objected to the doctrine of natural selection, that it was too like the Laputan method of making books, and that it did not sufficiently take into account a continually guiding and controlling intelligence. This seems to me a most valuable and instructive criticism.
Page 31 - A society for the general advancement of Mechanical Science, and more particularly for promoting the acquisition of that species of knowledge which constitutes the profession of a Civil Engineer...
Page 175 - SONNTAG (CO). A POCKET FLORA OF EDINBURGH AND THE SURROUNDING DISTRICT. A Collection and full Description of all Phanerogamic and the principal Cryptogamic Plants, classified after the Natural System, with an artificial Key and a Glossary of Botanical Terms.
Page 73 - Vice-President, in the chair. — A mathematical communication on electromagnetic induction in plane, cylindrical, and spherical current sheets and its representation by moving trails of images, by GH Bryan (part i, general equations), was read by Dr.
Page 118 - Bidwell has made experiments on the variations of conductivity exhibited by a mixture of sulphur and carbon. Nearly four years ago, M Edouard Branly found that a burnished coat of porphyrised copper spread on glass diminished its resistance enormously, from some millions to some hundreds of ohms, when it was exposed to the neighbourhood, even the distant neighbourhood, of Leyden jar or coil sparks. He likewise found that a tube of metallic filings behaved similarly, but that this recovered its original...
Page 179 - Irom the lake, and were most irritating to the eyes. In November these gales blew almost continuously and with still greater force, raising sand-storms so dense that it was impossible to see more than a few yards, and work was consequently impossible. Empty cases, and even the bones laid out to dry, were blown about the camp, sometimes to a distance of a hundred yards. The nights were intensely dark. Heavy clouds to the northwards seemed to threaten rain, but none cauie for some days.
Page 118 - Receivers or detectors which for the present I temporarily call microphonic are liable to respond best to the more rapid vibrations. Their sensitiveness is to me surprising, though of course it does not approach the sensitiveness of the eye ; at the same time, I ' am by no means sure that the eye differs from them in kind. It is these detectors that I wish specially to bring to your notice. Prof. Minchin, whose long and patient work in connection with photo-electricity is now becoming known, and...