The Edinburgh Journal of Science, Volum 4Thomas Clark, 1826 |
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Altres edicions - Mostra-ho tot
Frases i termes més freqüents
acid ammonia animal aperture appear barometer basalt carbonate cavity chromic acid colour Conj contains crystals direction distance earth earthquake Edinburgh effect elevation epistilbite eruption experiments feet fissures flame Flora fluid genera give glass globe Haüy heat height heulandite hornitos Humboldt inches intumescence island Jidda Joomeas Jorullo Kosseir lava leaves leech length less Levyne lithia magnesia magnetic manganese mass means metallic miles millimetres mineral motion mountains mouth observed obtained orifice oxide pass Perihelion phenomena pipes plants plate potash precipitated pressure produced Professor quantity Red Sea Red Snow refractive power region remarkable reservoir rise river rivulet rock seen sextant shock Sicily side silica smell soda sound species specific gravity stickleback strata substance sulphur sulphuret supposed surface taste telescope temperature Thaumatrope tion trachyte trees tube vapour vegetation vessel vibrate volcanic
Passatges populars
Pàgina 179 - From the foregoing statements it may be safely inferred that " the mean height of the barometer at the level of the sea being the same in every part of the globe...
Pàgina 84 - Nichol has recorded a case where a naval officer purchased a blue uniform coat and waistcoat with red breeches to match the blue, and Mr.
Pàgina 52 - Aguasarco assert that flames were seen to issue forth for an extent of more than half a square league, that fragments of burning rocks were thrown up to prodigious heights, and that through a thick cloud of ashes, illumined by the volcanic fire, the softened surface of the earth was seen to swell up like an agitated sea.
Pàgina 83 - Dalton was unable to distinguish blue from pink by daylight ; and in the solar spectrum the red was scarcely visible, the rest of it appearing to consist of two colours.
Pàgina 52 - ... feet. In many of them a subterraneous noise is heard, which appears to announce the proximity of a fluid in ebullition.
Pàgina 145 - ... years and collected in some deep hole till, overcharged with numbers, they are periodically obliged to attempt a change of place. The quantity is so great that they are used to manure the land, and trials have been made to get oil from them. A notion may be had of this vast shoal by saying that a man employed by the farmer to take them has got for a considerable time 4 shillings a day by selling them at a half penny a bushel.
Pàgina 316 - In cloudy weather it would scoop out a cavity, generally in a southern exposure, where it reposed torpid and inactive, until the genial influence of the sun roused it from its slumber. When in this state the eyes were closed, and the head and neck a little contracted, though not drawn within the shell. Its sense of smelling was so acute, that it was roused from its lethargy if any person approached, even at a distance of twelve feet...
Pàgina 51 - Till the middle of the 18th century, fields cultivated with sugar-cane and indigo occupied the extent of ground between the two brooks called Cuitamba and San Pedro. They were bounded by basaltic mountains, of which the structure seems to indicate that all this country, at a very remote period, had been already several times convulsed by volcanoes. These fields, watered by artificial means, belonged to the plantation (hacienda) of San Pedro de Jorullo, one of the greatest and richest of the country....
Pàgina 316 - ... mole ; the depth to which it penetrated varied with the character of the approaching season, being from one to two feet, according as the winter was mild or severe. It may be added, that for, nearly a month prior to this entry into its dormitory, it refused all sustenance whatever. The animal emerged about the end of April, and remained for at least a fortnight before it ventured on taking any species of food. Its skin was not perceptibly cold ; its respiration, entirely effected through the...
Pàgina 84 - Dalton thinks it probable that the red light is, in these cases, absorbed by the vitreous humour, which he supposes may have a blue colour } but...