The Edinburgh New Philosophical Journal, Volume 14A. and C. Black, 1833 - Science |
Contents
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Common terms and phrases
acid Alban Alban Hills ancient animals Apennines appear Araucaria Cunninghamii birds bones calcareous calcareous spar Capitoline hill carbon carbonic acid Caspian Caspian Sea cause cave Cefn coast colour compass composed considerable contains course covered crystals Cuvier deposited deviation Edinburgh elevation Esquiline Hill exist extend facts feet fleet formation fossil Frusino geological granular tufa height Hernici hills inch kunkur lake land lava limestone lower mass matter miles mineral Mons Monte mountains nature naval nearly observed occur ounces particles period petrifactions phenomena plants plate portion position present probably quantity remarkable result river river Elwy rocks Rome sand sandstone shells shew ships side siliceous similar sinus sinuses Sir Charles Douglas Sir Howard Douglas soil species specimens stony tufa strata structure substance summit superciliary ridge surface symmetry temperature thick Tiber Tibur tion tufa valley vegetation volcanic whole
Popular passages
Page 219 - ... the fatal day arrived in which the wood was to be levelled. It was in the month of February, when those birds usually sit. The saw was applied to the butt, the wedges were inserted into the opening, the woods echoed to the heavy blows of the beetle or mallet, the tree nodded to its fall ; but still the dam sat on. At last, when it gave way, the bird was flung from her nest; and, though her parental affection deserved a better fate, was whipped down by the twigs, which brought her dead to the...
Page 218 - ... arduous task. But when they arrived at the swelling, it jutted out so in their way, and was so far beyond their grasp, that the most daring lads were awed, and acknowledged the undertaking to be too hazardous. So the ravens built on, nest upon nest, in perfect security, till the fatal day arrived in which the wood was to be levelled. It was in the month of February, when those birds usually sit.
Page 69 - The pitch lake is situated on the side of a hill, 80 feet above the level of the sea, from which it is distant three quarters of a mile ; a gradual ascent leads to it, which is covered with pitch in a hardened state, and trees and vegetation flourish upon it. The road leading to the lake runs through a wood, and on emerging from it, the spectator stands on the borders of what at...
Page 190 - sort of dust or ashes commenced falling and continued "during the night; towards the morning the whole at"mosphere appeared red and fiery to a wonderful degree, "and the moon then at the full not visible...
Page 145 - Father, in the hour of battle. " I shall simply relate facts, to which I was an eye-witness, and can vouch for their truth. Being one of the aide-de-camps to the Commander-in-Chief on that memorable day, it was my duty to attend both on him and the Captain of the Fleet, as occasion mi
Page 173 - Edinburgh, manufacturer, for an improved method or manufacture which facilitates the production of regular figures or patterns on different fabrics, particularly velvets, velvet pile, and Brussels, Wilton, and Turkey carpets...
Page 220 - ... every year in the vines that grow on the walls of my house. A pair of these little birds had one year inadvertently placed their nest on a naked bough, perhaps in a shady time, not being aware of the inconvenience that followed. But...
Page 343 - GEOLOGY of the SOUTH-EAST of ENGLAND ; Containing a Comprehensive Sketch of the Geology of Sussex, and of the adjacent parts of Hampshire, Surrey, and Kent ¡ With Figures and Descriptions of the Fossils of the South Downs, and of the Extraordinary Fossil Reptiles of Tilgate Forrest.
Page 120 - ... projector would feel inclined, or even be able, to incur. The formation of a model is thus universally resorted to, as a prelude to the attempt on the large scale. An inquiry, then, into the relation which a model bears to the perfect instrument, can hardly fail to carry along with it the advantage of forming a tolerable guide, in estimating the real benefit which a contrivance is likely to confer upon society. " In the following paper I propose to examine the effect of a change of scale on the...
Page 120 - On these facts, the most important which geometry presents, my after remarks are mostly to be founded. All machines consist of moveable parts, sliding or turning on others which are bound together by bands, or supported by props. To the frame work I shall first direct my attention. In the case of a simple prop, destined to sustain the mere weight of some part of the machine, the strength is estimated at so many hundred weights per square inch of cross section.