The Edinburgh Philosophical Journal, 10권Archibald Constable, 1824 Contains the proceedings of the Royal Society of Edinburgh, the Wernerian Natural History Society, etc. |
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73개의 결과 중 1 - 5개
1 페이지
... considerable fluctuations , according to the positions occupied by this part of the machine , with respect An account of a remarkable case of Magnetic Intensity of a Chronometer , by Mr Harvey , will be found in the Transactions of the ...
... considerable fluctuations , according to the positions occupied by this part of the machine , with respect An account of a remarkable case of Magnetic Intensity of a Chronometer , by Mr Harvey , will be found in the Transactions of the ...
2 페이지
... considerable power . For this purpose , the magnet was placed in a horizontal posi- tion , in the direction of the magnetic meridian , with its north pole towards the northern horizon . A pocket - chronometer ( A ) , possessing a very ...
... considerable power . For this purpose , the magnet was placed in a horizontal posi- tion , in the direction of the magnetic meridian , with its north pole towards the northern horizon . A pocket - chronometer ( A ) , possessing a very ...
3 페이지
be regarded as considerable , when the remarkable changes the rate underwent in the different positions of the machine is fully considered . The chronometer was allowed to remain four days in each situation ; and when finally detached ...
be regarded as considerable , when the remarkable changes the rate underwent in the different positions of the machine is fully considered . The chronometer was allowed to remain four days in each situation ; and when finally detached ...
4 페이지
... considerable acceleration , " when the centre of the main - spring is in the axis of the magnet produced ; and that this acceleration attains a maximum , when the centre of the spring is at the least possible distance from the pole of ...
... considerable acceleration , " when the centre of the main - spring is in the axis of the magnet produced ; and that this acceleration attains a maximum , when the centre of the spring is at the least possible distance from the pole of ...
5 페이지
... the same situation ; -an aberration by no means considerable , when the great irregularities here alluded to are considered . These rates may , however , be conveniently contrasted in a on the Rates of Chronometers . 5.
... the same situation ; -an aberration by no means considerable , when the great irregularities here alluded to are considered . These rates may , however , be conveniently contrasted in a on the Rates of Chronometers . 5.
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acid Albite alternating Analcime angle of position Anorthite apatite appear axis basaltic beds birds Captain carbon Cassowary chronometer clay-slate colour considerable considered containing copper Crown glass crystals Decl deposites Diff distance Ditto edges of combination Epidote experiments faces feet Felspar Flint glass Foll formations forms geognostical glass gneiss granite greenstone greywacke heat height Herschel hornblende Hundsberg igneous inches inclined Island Journal Labradorite light limestone Magne magnetic mass mean temperature metallic mica-slate miles mineral mountains NAMES OF PLACES nature nearly needle observations paper Paramatta pendulum Phil pitchstones plants plate platina pole porphyries Prec prism produced Professor quantity refraction remarkable rhombohedron riation river rocks sandstone Sealed at Edinburgh shew shewn side situation six-sided pyramid species stars Struve substances surface syenite tion trachea trachytes transition tube woodcock zinc
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128 페이지 - The days of our age are three score years and ten; and though men be so strong, that they come to four score years; yet is their strength then but labour and sorrow; so soon passeth it away, and we are gone.
378 페이지 - What — the blude and stomach ? NORTH. Just so, James. Apparitions are likewise considered by him as nothing more than ideas, or the recollected images of the mind, which have been rendered more vivid than actual impressions.
186 페이지 - ... surface became elevated into a small cone above each of the wires ; waves flowed off in all directions from these cones ; and the only point of rest was apparently where they met in the centre of the mercury between the two wires. On holding the pole of a powerful...
305 페이지 - In 283 common with the inhabitants of Koonawur, the greater part of them have a flint and steel for striking fire, attached to their apparel by a metal chain. The women, whose dress resembles that of the men, were literally groaning under a load of ornaments, which are mostly of iron or brass, inlaid with silver or tin, and beads round their necks, wrists, and ankles, and affixed to almost every part of their clothes.
365 페이지 - Change, the higher notes hardly attracted the elephant's notice, but the low ones roused his attention. The effect of the higher notes of the pianoforte upon the great lion in Exeter Change was only to excite his attention, which was very great. He remained silent and motionless. But no sooner were the flat notes sounded, than he sprang up, attempted to break loose, lashed his tail, and seemed so furious and enraged as to frighten the female spectators.
365 페이지 - Boncourt, having its broad base resting on the ground, and its summit lost in the clouds. It consisted of a thick and blackish vapour, in the middle of which were often seen flames in several directions. Advancing along with the storm, it broke or tore up by the roots, in the space of a league, seven or eight hundred trees of different sizes, and at last burst with great violence in the village of Marchepoy, one half of the houses of which were instantly destroyed. The walls, overturned to their...
379 페이지 - In the succeeding, and by far the most considerable part of this treatise, the research is of a novel kind. Since apparitions are ideas equalling or exceeding in vividness actual impressions, there ought to be some important and definite laws of the mind which have given rise to this undue degree of vividness. " It is therefore chiefly for the purpose of explaining such laws, that the present dissertation is written. But I here enter into a perfectly new field of research, where far greater difficulties...
378 페이지 - Sam very ingeniously points out that, in well-authenticated ghost-stories, of a supposed supernatural character, the ideas which are rendered so unduly intense, as to induce spectral illusions, may be traced to such fantastical...
378 페이지 - February 1823, at li> 10' p. M., in E. Long. 85" 33', and N. Lat. 52°, experienced a shock similar to that of an earthquake. A tremulous motion of the vessel, as if it were passing over a coral rock, alarmed all on board, and this was accompanied with a loud rumbling noise, both of which continued two or three minutes. As the ship was going only...
186 페이지 - I found that when two wires were placed in a basin of mercury perpendicular to the surface, and in the voltaic circuit of a battery with large plates ; and the pole of a powerful magnet held either above or below the wires, the mercury immediately began to revolve round the wire as an axis, according to the...