The Edinburgh Journal of Science, Volumen1Thomas Clark, 1829 |
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Página 1
... Communicated by the Author . THE characters of the illustrious dead , their virtues , their diligence and attainments , are interesting and profitable sub- jects of contemplation . An opportunity is given us to take a view of the ...
... Communicated by the Author . THE characters of the illustrious dead , their virtues , their diligence and attainments , are interesting and profitable sub- jects of contemplation . An opportunity is given us to take a view of the ...
Página 2
... communicating knowledge , and in affording the use of his valuable library and herbarium . Sir James was born in 1759 , December 2 ; he studied in Edin- burgh , where , in 1780 , he gained the gold medal given to the best proficient in ...
... communicating knowledge , and in affording the use of his valuable library and herbarium . Sir James was born in 1759 , December 2 ; he studied in Edin- burgh , where , in 1780 , he gained the gold medal given to the best proficient in ...
Página 17
... Communicated by the Author . IN estimating the relative effects of caloric on the expansion of fluids , as manifested by the increase of their altitudes in thermometers , & c . it appears to me that some circumstances connected with the ...
... Communicated by the Author . IN estimating the relative effects of caloric on the expansion of fluids , as manifested by the increase of their altitudes in thermometers , & c . it appears to me that some circumstances connected with the ...
Página 26
... Communicated by the Author . INSTANCES of remarkable deviation from the ordinary course of nature in her more recondite operations are , if properly viewed , objects of legitimate curiosity . For while what is common passes by without ...
... Communicated by the Author . INSTANCES of remarkable deviation from the ordinary course of nature in her more recondite operations are , if properly viewed , objects of legitimate curiosity . For while what is common passes by without ...
Página 34
... Communicated by the Author . Pressure . JANUARY . Corrected for Temp . Max . 30.48 66 ° = 30.394 Min . 30.02 66 29.935 Mean 30.22 65 = 30.135 Max . Temperature . 70 ° Min . 52 Mean 62.1 Diurnal range of thermometer , max . 18 ° ; min ...
... Communicated by the Author . Pressure . JANUARY . Corrected for Temp . Max . 30.48 66 ° = 30.394 Min . 30.02 66 29.935 Mean 30.22 65 = 30.135 Max . Temperature . 70 ° Min . 52 Mean 62.1 Diurnal range of thermometer , max . 18 ° ; min ...
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Alps angle animals appears axis azote Barometer blue bodies bones botany Breislak brilliant band carbonic acid chlorate of potash coal colour condenser considerable crater crystals cyanogen Dew Point diameter diamond distance Edinburgh elasticity electricity equal experiments fact feet Females flame fluid Funchal gelatine give given glass heat height Huel hydrogen inches instrument Laplace length lens lenses light Linnæus Lowville Males mean mercury microscope Monte Nuovo motion mountain Naples nature number of atoms object observations obtained particles phenomena plane plate Pozzuoli present prism produced Pyrenees quantity rain rays reflected refractive remarkable resinous rocks salt Scandinavia Serapis side sirocco Solfatara solid species specific gravity specimen strata substance sulphur suppose surface temperature temple thermometer Thermosiphon tint tion trees tricity tube vegetable volcanic wind yellow Yellowish white
Pasajes populares
Página 32 - IV. In experimental philosophy, we are to look upon propositions collected by general induction from phenomena as accurately, or very nearly true, notwithstanding any contrary hypothesis that may be imagined, till such time as other phenomena occur, by which they may either be made more accurate, or liable to exceptions...
Página 306 - A number perished, who sunk with their boats in the river. A bursting of the earth just below the village of New Madrid, arrested this mighty stream in its course, and caused a reflux of its waves, by which in a little time a great number of boats were swept by the ascending current into the mouth of the Bayou, carried out and left upon the dry earth, when the accumulating waters of the river had again cleared their current. There...
Página 306 - And they remark that the shocks were clearly distinguishable into two classes ; those in which the motion was horizontal, and those in which it was perpendicular. The latter were attended with...
Página 309 - Molecules, appear to be spherical, or nearly so, and to be between l-20,000dth and l-30,000dth of an inch in diameter; and that other particles of considerably greater and various size, and either of similar or of very different figure, also present analogous motions in like circumstances.
Página 309 - ... extremely minute particles of solid matter, whether obtained from organic or inorganic substances, when suspended in pure water, or in some other aqueous fluids, exhibit motions for which I am unable to account, and which, from their irregularity and seeming independence, resemble in a remarkable degree the less rapid motions of some of the simplest animalcules of infusions.
Página 11 - Methodi naturalis fragmenta studiose inquirenda sunt. Primum et ultimum hoc in Botanicis desideratum est" (§ 77); „Methodus naturalis est ultimus finis Botanices
Página 320 - The centre of this aperture must be in the common axis of the lenses ; and the image of the perforation formed by the large lens must be brought, by proper adjustment of the distance of that lens, into the same plane as the object to be examined. With a microscope so constructed, the author has seen the finest striae and serratures upon the scales of the lepisma and podura, and the scales upon a gnat's wing, with a degree of delicate perspicuity not attainable with any other microscope he has tried....
Página 305 - Large lakes of twenty miles in extent were made in an hour. Other lakes were drained. The whole country, to the mouth of the Ohio in one direction, and to the St. Francis in the other, including a front of three hundred miles, was convulsed to such a degree as to create lakes and islands, the number of which is not...
Página 317 - In the illumination of microscopic objects, whatever light is collected and brought to the eye, beyond that which is fully commanded by the object-glasses, tends rather to impede than to assist distinct vision. " My endeavour has been, to collect as much of the admitted light as can be done by simple means, to a focus in the same plane as the object to be examined. For this purpose, I have used, with success, a plane mirror to direct the light, and a plano-convex lens to collect it, the plane side...
Página 343 - ... generally called gooseberry bottles. Having got them properly cleaned, and the fruit ready picked, (which should not be too ripe,) fill such of them as you intend doing at one time, as full as they will hold, so as to admit the cork going in, frequently shaking the fruit down whilst filling. When done, fit the corks to each bottle, and stick them lightly in, so as to be easily taken out when the fruit is sufficiently scalded, which may be done either in a copper, or large kettle...