The Edinburgh Philosophical Journal, Volume 2Archibald Constable, 1820 - Science Contains the proceedings of the Royal Society of Edinburgh, the Wernerian Natural History Society (Edinburgh), etc. |
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Common terms and phrases
acid Alpnach amygdaloid angles appear Arbury Hill atmometer axis bank basalt beds bituminous clay-slate coal coast colour conglomerate considerable contains crystals degree denticles deposited depth described direction distance Dr Brewster east Edin Edinburgh epidotic epidotic sienite examined feet felspar fish fishery formation gneiss granite green Greenland Sea greenstone Hagrasetter Voe heat hills hornblende hot-springs Iceland inches islands lakes lava length light limestone Lunna marble mass mica-slate miles mountain Mranmas nature nearly Ness observed obtained occur Olnasfirth Voe Papa Stour peat pitchstone plants plate polarised poppy porphyry portion present produced proportion quantity quartz rays refraction remarkable result rocks Rosa arvensis sandstone seen Shetland species specimens strata structure substance surface Syssel tabasheer temperature tion transparent trap tube Unst variety veins vessel volcanic Weesdale whole wood Yell Sound
Popular passages
Page 213 - As we rowed towards it with a view of proceeding close to its base, I observed a few little pieces fall from the top, and while my eye was fixed upon the place, an immense column, probably fifty feet square, and one hundred and fifty feet high, began to leave the parent ice at the top, and leaning majestically forward with an accelerated velocity, fell with an awful crash into the sea. The water into which it plunged was converted into an appearance of vapour or smoke, like that from a furious cannonading....
Page 183 - ... but the land and water are cooled by this operation in a very different manner : the impression of cooling on the land is limited to the surface, and very slowly transmitted to the interior ; whereas in water above...
Page 233 - A contest between animals of so different an organization furnishes a very striking spectacle. The Indians, provided with harpoons and long slender reeds, surround the pool closely ; and some climb upon the trees, the branches of which extend horizontally over the surface of the water. By their wild cries, and the length of their reeds, they prevent the horses from running away, and reaching the bank of the pool. The eels, stunned by the noise, defend themselves by the repeated discharge of their...
Page 5 - Newcomen's engine, with a wooden cylinder six inches diameter, and twelve inches long in the stroke. 6th, I had measured the quantity of cold water required in /every stroke to condense the steam in that cylinder, so as to give it a working power of about 7 Ib.
Page 235 - Bera are of a fine olivegreen. The under part of the head is yellow mingled with red. Two rows of small yellow spots are placed symmetrically along the back, from the head to the end of the tail. Every spot contains an excretory aperture. In consequence, the skin of the animal is constantly covered with a mucous matter, which, as Volta has proved, conducts electricity twenty or thirty times better than pure water. It is in general somewhat remarkable, that no electrical fish, yet discovered* in the...
Page 111 - ... trees. Such is a brief account of a work undertaken and executed by a single individual, and which has excited a very high degree of interest in every part of Europe. We regret to add, that this magnificent structure no longer exists, and that scarcely a trace of it is to be seen upon the flanks of Mount Pilatus. Political circumstances...
Page 233 - We found it difficult to form an idea of this extraordinary manner of fishing; but we soon saw our guides return from the Savannah, which they had been scouring for wild horses and mules. They brought about thirty with them, which they forced to enter the pool. "The extraordinciry noise caused by the horses' hoofs makes the fish issue from the mud, and excites them to combat.
Page 234 - ... one of his extremities. The horses are probably not killed, but only stunned. They are drowned from the impossibility of rising amid the prolonged struggle between the other horses and the eels.
Page 309 - An account of experiments for determining the length of the pendulum vibrating seconds in the latitude of London.