Philosophical MagazineTaylor & Francis., 1875 - Matter |
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Page 2
... experiments are con- cerned . §4 . Cold produced on mixing saturated Brine with Water . - To examine this point , a series of covered beaker - glasses containing known weights of water , and a similar series containing satu- rated brine ...
... experiments are con- cerned . §4 . Cold produced on mixing saturated Brine with Water . - To examine this point , a series of covered beaker - glasses containing known weights of water , and a similar series containing satu- rated brine ...
Page 12
... experiments dealt with brine of NaCl , ice is then formed , and the liquid gets richer and richer in salt , falling in temperature till the ratio proper to the cryohydrate is reached ; whereupon , as before , homogeneous solidification ...
... experiments dealt with brine of NaCl , ice is then formed , and the liquid gets richer and richer in salt , falling in temperature till the ratio proper to the cryohydrate is reached ; whereupon , as before , homogeneous solidification ...
Page 17
... Experiments with Sea - water . § 32. Freezing sea - water . The sea - water with which the fol- lowing experiments were performed was procured from Dover . After filtration , it was found to have at 760 millims . the boiling- point ...
... Experiments with Sea - water . § 32. Freezing sea - water . The sea - water with which the fol- lowing experiments were performed was procured from Dover . After filtration , it was found to have at 760 millims . the boiling- point ...
Page 50
... experiments with the platinum points , but the total number of spark - holes is the same in each case . Hence there is , on an average , 1.34 spark to each flash with the points , and 1.73 spark - hole to each flash with the balls ...
... experiments with the platinum points , but the total number of spark - holes is the same in each case . Hence there is , on an average , 1.34 spark to each flash with the points , and 1.73 spark - hole to each flash with the balls ...
Page 52
... experiments show that carbon retains its re- flecting - power at very elevated temperatures , which tempera- tures it would nevertheless be difficult to state precisely . Further , these facts appear to me to have some interest be ...
... experiments show that carbon retains its re- flecting - power at very elevated temperatures , which tempera- tures it would nevertheless be difficult to state precisely . Further , these facts appear to me to have some interest be ...
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acid alcohol angle aurora axis band-spectrum bands boron bright calorimeter carbon carbonic acid cast iron cent centims chloride circuit colour compound constant continuous corresponding crater cryohydrate crystals curve determined diameter diamond discharge distance duplex effect electromotive force elements equal equation equipotential erbia eruption experiments flame flow-lines freezing-mixture galvanometer gaseous gases give given glass graphite grms hydrogen integral lava Leyden jar light line-spectrum lines of flow liquid magnetic magnetic moment means method metres millim molecules needle observed obtained paper phenomena Phil Piazzi Smyth placed Plate platinum polarization poles position pressure produced protocatechuic acid quantity ratio represent resistance salt saturated silicon solid solidify solution spark specific gravity specific heat spectra spectroscope spectrum substance supersaturated supposed surface telegraphy temperature thickness tion tube vanilline vapour vibrations vis viva weight دو دو
Popular passages
Page 29 - “I have uttered that I understood not; things too wonderful for me, which I knew not.” “Wherefore I abhor myself, and repent in
Page 321 - respectively. Then, at the points where 1 and 1', 2 and 2', 3 and 3', 4 and 4' respectively intersect each other, the potentials will be the sums of the potentials of the intersecting lines; and therefore the potential at all these points is the same, namely
Page 203 - in the same direction; and here, again, the spectrum we obtain from elements in a state of vapour (a spectrum characterized by spaces and bands) is similar to that we obtain from vapours of which the compound nature is unquestioned. (/3) At high temperatures, produced by combustion, the vapours of
Page 121 - 0 will be B, A, B', A; but since B and B' are complementary, their suppression will not affect the resulting tint except as to intensity, and the overlap will be effectively deprived of A alone; in other words, it will be of the same tint as the image 0 would be if the combination Q,
Page 155 - In his ‘Essay on the Application of Mathematical Analysis to the Theories of Electricity and Magnetism' (Nottingham, 1828),
Page 243 - that, from the point (about 600°) at which the specific heat of carbon ceases to vary with increase of temperature and becomes comparable with that of other elements, any real difference in the specific heats of the two modifications disappears, and carbon obeys the law of Dulong and Petit.
Page 201 - and Energy,” printed in Phil. Trans. 1873), as conclusively proving that such slags are not denser in the molten than in the solid state, and that the floating referred to is due to other causes. The author returns thanks to several persons for facilities liberally afforded him in making these experiments.
Page 121 - having lost the same tints as B 0, will have lost also the tint A, and will have received besides the addition of two measures of the tint A'. Effect of Combinations of two Colours.—A similar train of reasoning might be applied to the triple overlaps. But the main interest of these parts of the' figure consists in
Page 289 - openings. Thus the resonator's mouth was exposed to the vibrations during an interval which equalled that during which it was screened from them. A rubber tube led from the nipple of the resonator to one ear, while the other ear was tightly closed with a lump of beeswax.
Page 204 - end. (This absorption may ¿ break up into channelled spaces.) Fifth stage ... Unique continuous absorption. 9. I shall content myself in the present note by giving one or two instances of the passage of spectra from one stage to another, beginning at the fifth stage. From 5 to 4.