Nature, 18. köideSir Norman Lockyer Macmillan Journals Limited, 1878 |
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Results 1-5 of 74
Page 6
... surface sub- jected to a diurnal and equal share of solar influence according to latitude . Whatever may be the real effect of the sun's heat and magnetism in producing atmo- spheric perturbations , the field selected is that which they ...
... surface sub- jected to a diurnal and equal share of solar influence according to latitude . Whatever may be the real effect of the sun's heat and magnetism in producing atmo- spheric perturbations , the field selected is that which they ...
Page 7
... surface temperature is low , south and east of it very uniform , and along it high . Air in motion over these surfaces is consequently affected by rapid variations of temperature , which affect in turn the energy of the disturbances ...
... surface temperature is low , south and east of it very uniform , and along it high . Air in motion over these surfaces is consequently affected by rapid variations of temperature , which affect in turn the energy of the disturbances ...
Page 27
... surface , and the work by Mr. Mathieu Williams on the " Fuel of the Sun. " The author adopted the view that the gradual condensation of water on the earth's surface , consequent on the loss of its original cosmical heat , had produced ...
... surface , and the work by Mr. Mathieu Williams on the " Fuel of the Sun. " The author adopted the view that the gradual condensation of water on the earth's surface , consequent on the loss of its original cosmical heat , had produced ...
Page 28
... surface and the developables described outwards and round it from a point , by M. Drasch . - Completing additions to the general mode of determination of the focus of contours of surfaces of the second degree , by M. Pelz . - On the ...
... surface and the developables described outwards and round it from a point , by M. Drasch . - Completing additions to the general mode of determination of the focus of contours of surfaces of the second degree , by M. Pelz . - On the ...
Page 42
... surface are taken into consideration by those who go accurately into calcula- tions , they are comparatively very small . Suppose he were to make a sphere twenty - five feet in diameter , re- presenting the earth , how much did they ...
... surface are taken into consideration by those who go accurately into calcula- tions , they are comparatively very small . Suppose he were to make a sphere twenty - five feet in diameter , re- presenting the earth , how much did they ...
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Academy acid action American apparatus appears atmosphere blue body Capt carbon centimetres centre chemical coast College colour comet containing described direction distance earth effect Elasmobranch electric Eocene exhibited expedition experiments fact feet flora galvanometer geological give given glass Greenland heat inches increased instrument interesting Irish elk island larvæ light Lignitic magnetic matter means ment metal meteorological meteorology microphone miles Miocene molecules motion Museum nature observations Observatory obtained Owens College paper Paris perihelion phenomena phonograph photographs physical plants plate position present pressure produced Prof recently region remarkable right ascension Royal scientific seen seiches Silurian Society solar sound South species specific gravity spectrum Spitzbergen stars storm substances surface telephone temperature theory tion transit of Mercury tube University vapour variation velocity vibrations vis viva vowel wire
Popular passages
Page 161 - Yet soon he heal'd ; for spirits that live throughout Vital In every part, not as frail man In entrails, heart or head, liver or reins, Cannot but by annihilating die ; Nor in their liquid texture mortal wound Receive, no more than can the fluid air...
Page 140 - Men, my brothers, men the workers, ever reaping something new : That which they have done but earnest of the things that they shall do...
Page 163 - For an ye heard a music, like enow They are building still, seeing the city is built To music, therefore never built at all, And therefore built for ever.
Page 203 - His scales are his pride, shut up together as with a close seal. One is so near to another, that no air can come between them. They are joined one to another, they stick together, that they cannot be sundered.
Page 10 - Slate and Slate Quarrying. A TREATISE ON SLATE AND SLATE QUARRYING, Scientific, Practical, and Commercial. By DC DAVIES, FGS, Mining Engineer, &c. With numerous Illustrations and Folding Plates. Second Edition, carefully revised. I2mo, y. 6d. cloth boards. "Mr. Davies has written a useful and practical hand-book on an important industry, with all the conditions and details of which he appears familiar.
Page 116 - I of the American Journal of Mathematics he has a note " On a Class of Transformations which Surfaces may Undergo in Space of more than Three Dimensions," in which he shows, for instance, that if a fourth dimension were added to space, a closed material surface (or shell) could be turned inside out by simple flexure without either stretching or tearing.
Page 330 - Not unfrequently in the mountain districts broad beams apparently of bluish light may be seen extending from the zenith downwards, converging and narrowing as they approach the horizon. This ray-like appearance is very similar to that seen before sunrise ; only the point from which the rays proceed is opposite the sun : the rays themselves are very broad and blue in colour ; and the spaces between them have the ordinary illumination of the rest of the sky. If we suppose in this instance that the...
Page 240 - I found that one ounce of lead was not sufficient on a surface of contact 1 centimetre square to maintain constant contact; and it was only by removing the musical box to a distance of several feet that I was enabled to preserve continuity of current with a moderate pressure. I have spoken to forty microphones at once, and they all seemed to respond with equal force. Of course there must be a loss of energy in the conversion of molecular vibrations into electrical waves, but it is so small that I...
Page 240 - ... distance of several feet that I was enabled to preserve continuity of current with a moderate pressure. I have spoken to forty microphones at once ; and they all seemed to respond with equal force. Of course there must be a loss of energy in the conversion of molecular vibrations into electrical waves ; but it is so small that I have never been able to measure it with the simple appliances at my disposal. I have examined every portion of my room — wood, stone, metal, in fact all parts — and...
Page 162 - English, with an introduced Arabic guttural, some mispronounced Spanish, and a variety of shades of vowels and diphthongs. The result was perfectly satisfactory ; that is, Mr. Bell wrote down my queer and purposely exaggerated pronunciations and mispronunciations, and delicate distinctions, in such a manner that his...