The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, Band 40A. and C. Black, 1846 |
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ammonia Anatase ancient angle angle of incidence animals appear atmosphere bones Callebar carbonic acid characters claystone colour copper crystals Cuchullin curve degree deposits elevation epoch Esquimaux exhibited existence fact faunas feet fissures formation fossil Gare Loch geological glaciers granite grooves heat height horses hypersthene improvements inches inhabitants iron Islands latter less lime limestone lithic acid Loch Long magnesia mammoth mass metal miles mineral mirror month mountains mouth nature nearly nitric acid observations obtained oxide oxygen phenomena plants plate portion present probably produced Professor quantity quartz R. I. Murchison rain regard remarkable river rock rows shew Siberia silica Sirenia Sligachan Society species specific gravity springs striæ substances sulphate surface teeth Theodore de Saussure thermometer tion titanic acid travellers tribes Ural valley vegetation vein-masses veins Whitehaven wind wire
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Seite 402 - Islands: Comprehending the Natural and Economical History of Species and Varieties ; the Description of the Properties of external Form ; and Observations on the Principles and Practice of Breeding. By D. Low, Esq., FRSE With Wood Engravings. 8vo. price 25s. Low.— Elements of Practical Agriculture ; comprehending the Cultivation of Plants, the Husbandry of the Domestic Animals, and the Economy of the Farm.
Seite 402 - THE JOURNAL OF AGRICULTURE, and the TRANSACTIONS of the HIGHLAND and AGRICULTURAL SOCIETY of SCOTLAND. Published Quarterly.
Seite 181 - By David Low, Esq., FRSE, Professor of Agriculture in the University of Edinburgh, etc.; author of "Elements of Practical Agriculture, "etc.
Seite 399 - Brewster, who successfully transferred by pressure the splendid tints of the pearl to black wax, fusible metal, balsam of tolu, lead, tin, and various other substances. The colours displayed by fusible metal possess at first extraordinary beauty, which in a short time is partially lost, owing to a change that occurs upon the surface of the metal. A few months ago, while engaged upon some experiments in electrotyping, I was led to think that by this process the hues of the pearl might be readily transferred...
Seite 377 - Professor advises that the metallic roof be placed in connection with the ground by means of the tin or copper gutters which serve to lead the water from the roof to the earth. For this purpose, it is sufficient to solder to the lower end of the gutter a riband of sheet copper, two or three inches wide, surrounding it with charcoal, and continuing it out from the house until it terminates in moist ground. The upper ends of these gutters are generally soldered to the roof; but if they are not in metallic...
Seite 299 - Polar ice. The distance from Hakluyt's Headland to the Pole — is 600 geographical miles. Granting the ships to make only twenty miles in twenty-four hours, (on the supposition of much sailing ice to go through,) even in that case it would require but a month to enable the explorer to put his foot on the pivot or point of the axis on which the globe of the earth turns, remain there a month, if necessary, to obtain the sought-for information, and then, with a southerly current, a fortnight, probably...
Seite 399 - Smee's battery, which I had just constructed, and after several experiments, succeeded in obtaining small sheets of silver, radiant with the hues of the shell. When seen by a single light, as that of a lamp, the play of colours is surpassingly beautiful, scarcely inferior to that of the pearl ; and where equal care was employed, the plate of silver, which was formed eight months ago, rivals in brilliancy that which came fresh from the battery a few hours since. The process by which this result is...
Seite 380 - ... planks and oars, a boat is often obliged to return the same way that she came, backing out in the canal thus formed to no purpose. A ship in this helpless state, her sails in vain expanded to a favourable breeze, her ordinary resources failing, and suddenly arrested in her course upon the element through which she has been accustomed to move without restraint, has often reminded me of Gulliver tied down by the feeble hands of Lilliputians ; nor are the struggles she makes to effect a release,...
Seite 399 - The working mixture is sulphuric acid and water, the strength varying with the temperature, and the amount of work to be performed. I have found a wine-glass of acid to...
Seite 214 - improvements in exhausting air from tubes or vessels for the purpose of atmospheric railways, and for other purposes, and improvements in the valves and tubes of atmospheric railways.