The Edinburgh Journal of Science, Հատոր 4William Blackwood, 1826 |
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Էջ 181 - 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...
Էջ 86 - I had occasion to examine, saw only two colours in the spectrum, viz. yellow and blue. When the middle of the red space was absorbed by a blue glass, he saw the black space with what he called the yellow on each side of it. This defect in the perception of colour was experienced by the late Mr.
Էջ 197 - ... in almost a dying state, it was feared that he would have severed the heads of some of the party with equal ease. He fell, at length, under innumerable stabs inflicted by the peasantry. The animal is supposed to have travelled some distance from the place where he was killed, as his legs were covered with mud up to the knees.
Էջ 104 - The illusion, therefore, under our consideration is the result of an operation of our own minds, whereby we judge of the forms of bodies by the knowledge we have acquired of light and shadow. Hence the illusion depends on the accuracy and extent of our knowledge on this subject ; and while some persons are under its influence, others are entirely insensible to it.
Էջ 198 - ... those of man, with the exception of wanting the lower lobe. The nose is scarcely raised above the level of the face, and is chiefly distinguished by two nostrils three-fourths of an inch in breadth, placed obliquely side by side. The mouth projects considerably in a mammillary form, and its opening is very large; when closed, the lips appear narrow, but are in reality half an inch in thickness. The hair of the head is of a reddish brown, grows from behind forwards, and is five inches in length.
Էջ 147 - ... 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.
Էջ 322 - September, it began to immerse itself, and had, for that purpose, for many years selected -a particular angle of the garden. It entered in an inclined plane, excavating the earth in the manner of the 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...
Էջ 51 - In the month of June, 1759, a subterraneous noise was heard. Hollow noises of a most alarming nature...
Էջ 52 - ... the horrible subterraneous noise recommenced. The affrighted Indians fled to the mountains of Aguasarco. A tract of ground from three to four square miles in extent, which goes by the name of Malpays, rose up in the shape of a bladder.
Էջ 89 - ... Let a card be perforated with a small hole, and placed opposite a white wall or window, the eye of the observer being situated on the other side of the card. A pin being then placed between the eye and card, will be seen on the other side of the aperture, inverted and magnified as already described. The reason of this is, as M. Le Cat has observed, that the eye in this case sees only the shadow of the pin on the retina, and since the light which is stopped by the upper part of the pin or its...