Readings in Natural Philosophy: Or, A Popular Display of the Wonders of Nature ...Whittaker, Treacher & Company, 1830 - 700 oldal |
Részletek a könyvből
1 - 5 találat összesen 69 találatból.
1. oldal
... centre of the glass about three feet , and is about half an inch in diameter . One may pass one's hand through it , if it be done nimbly ; but if it remain there for one second only , there is danger of receiving much hurt . Green wood ...
... centre of the glass about three feet , and is about half an inch in diameter . One may pass one's hand through it , if it be done nimbly ; but if it remain there for one second only , there is danger of receiving much hurt . Green wood ...
5. oldal
... centre than the circumference ; and they are never seen so well as when they approach the centre ; for in ap- proaching the circumference they become very narrow , and almost imperceptible ; which seems to argue that they are flat and ...
... centre than the circumference ; and they are never seen so well as when they approach the centre ; for in ap- proaching the circumference they become very narrow , and almost imperceptible ; which seems to argue that they are flat and ...
7. oldal
... centre not far from the zenith a . The second , debo , was much less , and deficient in some places , having the colours of a rainbow , especially in that part which was within the great circle . It had the true sun for its centre . The ...
... centre not far from the zenith a . The second , debo , was much less , and deficient in some places , having the colours of a rainbow , especially in that part which was within the great circle . It had the true sun for its centre . The ...
10. oldal
... centre , and at the same time its centre be carried forwards , the true motion of that point forwards is made up of both those motions ; but 10 THE TIDES .
... centre , and at the same time its centre be carried forwards , the true motion of that point forwards is made up of both those motions ; but 10 THE TIDES .
11. oldal
... centre of gravity ; which centre , according to the known laws of statics , is in a straight line connecting their respective centres , so divided as that its parts be in reciprocal proportion to the gravities of the two bodies . Now ...
... centre of gravity ; which centre , according to the known laws of statics , is in a straight line connecting their respective centres , so divided as that its parts be in reciprocal proportion to the gravities of the two bodies . Now ...
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Más kiadások - Összes megtekintése
Readings in Natural Philosophy: Or, a Popular Display of the Wonders of Nature Richard Phillips Nincs elérhető előnézet - 2020 |
Gyakori szavak és kifejezések
acid animal appear basaltes birds blood body bones called carbonic acid cause centre cluster coal colour continued copper cuckoo degree diameter distance earth earthquake eggs electrical epidermis equal experiments exposed feet fibres fire fish fluid four glass globules grains half head heat height HUMPHRY DAVY inches insects iron kind lamellæ lava length less light luminous manner metals miles milky minutes moon motion Mount Vesuvius mountain mouth muscles nature nearly nerves observed particles pass perceived piece plant polypus Port-Royal produced proportion quantity rays roots round sal ammoniac salt sand seemed seen shells side skin sort space species specific gravity spider stars stone stratum substance sulphurous acid supposed surface tail thick Torre del Greco trees tube vapour velocity vertebræ vessels Vesuvius volcano whole wind yards zinc
Népszerű szakaszok
155. oldal - And God said, Behold I have given you every herb bearing seed, which is upon the face of all the earth, and every tree, in the which is the fruit of a tree yielding seed ; to you it shall be for meat.
255. oldal - One particular only (though it may appear trifling) I will relate. Having often forgot which was the cat, and which the dog, he was ashamed to ask ; but catching the cat (which he knew by feeling) he was observed to look at her steadfastly, and then setting her down, said, so puss ! I shall know you another time.
255. oldal - ... he could form no judgment of their shape, or guess what it was in any object that was pleasing to him. He knew not the shape of any thing, nor any one thing from another, however different in shape or magnitude ; but upon being told what things were, whose form he before knew from feeling, he would carefully observe, that he might know them again...
491. oldal - ... its load with a jerk, and quite disengaged it from the nest. It remained in this situation a short time, feeling about with the extremities of its wings, as if to be convinced whether the business was properly executed, and then dropped into the nest again.
33. oldal - Prisme at the window, so that the light might pass through a small hole, made in it for the purpose, and fall on the other board, which I placed at about 12...
555. oldal - By meditating on the results of all these experiments, we are naturally brought to that great question which has so often been the subject of speculation among philosophers, namely, What is heat — is there any such thing as an igneous fluid ? Is there anything that...
491. oldal - It remained in this situation a short time, feeling about with the extremities of its wings, as if to be convinced whether the business was properly executed, and then dropped into the nest again. With these (the extremities of its wings) I have often seen it examine, as it were, an egg and nestling before it began its operations; and the nice sensibility which these parts appeared to possess seemed sufficiently to compensate the want of sight, which as yet it was destitute of. I afterwards put in...
357. oldal - AS frequent mention is made in public papers from Europe of the success of the Philadelphia experiment for drawing the electric fire from clouds by means of pointed rods of iron erected on high buildings...
256. oldal - Epsom Downs, and observing a large prospect, he was exceedingly delighted with it, and called it a new kind of seeing.
555. oldal - It is hardly necessary to add, that anything which any insulated body, or system of bodies, can continue to furnish 'without limitation, cannot possibly be a material substance; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of...