The Journal of Science and the Arts, Volume 2, Issue 3

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J. Eastburn & Company, 1817 - Science
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Includes proceedings of the Royal Society of London, Royal Society of Edinburgh, etc.

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Page 197 - ... novelty, and warm in their attachments ; open to strangers, and, abating the restrictions of their political institutions, a people who seem inclined to throw themselves into the hands of any nation of superior intelligence.
Page 333 - It is covered with a whitish bark, slightly bursting in longitudinal furrows. Near the ground this bark is, in old trees, more than half an inch thick, and, upon being wounded, yields plentifully the milky juice from which the celebrated poison is prepared. A puncture or incision being made...
Page 197 - Europeans so frequently confounded ; the latter have been stationary at least as long as we have known them, while the slightest impulse seems sufficient to give a determination to the Japanese character, which would progressively improve until it attained the same height of civilization with the European.
Page 124 - In reflecting on the circumstances of the two species of combustion, I was led to imagine that the cause of the superiority of the light of the stream of coal gas might be owing to the decomposition of a part of the gas towards the interior of the flame where the air was in smallest quantity, and the deposition of solid charcoal, which, first by its ignition, and afterwards by its combustion, increased in a high degree the intensity of the light ; and a few experiments soon convinced me that this...
Page 333 - ... poison is prepared. A puncture or incision being made in the tree, the juice or sap appears oozing out, of a yellowish colour (somewhat frothy) ; from old trees, paler ; and nearly white from young ones : when exposed to the air, its surface becomes brown.
Page 127 - I have examined, is that of a mixture of oxygene and hydrogene in slight excess, compressed in a blowpipe apparatus, and inflamed from a tube having a very small aperture.* This flame is hardly visible in bright day-light, yet it instantly fuses very refractory bodies ; and the light from solid matters ignited in it, is so vivid as to be painful to the eye.
Page 454 - River, which takes its course, as has been since ascertained, through the Prince Regent's Glen, and empties itself into the river Nepean ; and it is conjectured, from the nature of the country through which it passes, that it must be one of the principal causes of the floods which have been occasionally felt on the low banks of the river Hawkesbury, into which the Nepean discharges itself. The Vale of Clwyd, from the base of Mount York, extends six miles in a westerly direction, and has its termination...
Page 456 - ... travelling along its banks. From its course he conjectures that it must join its waters with those of the Macquarie river; and little doubt can be entertained, that their joint streams must form a navigable river of very considerable size. At a distance of about sixty miles from Bathurst, Mr. Evans discovered a number of hills, the points of which ended in perpendicular heads, from thirty to forty feet high, of pure lime-stone of a misty grey colour.
Page 126 - Whenever a flame is remarkably brilliant and dense, it may be always concluded that some solid matter is produced in it : on the contrary, when a flame is extremely feeble and transparent, it may be inferred that no solid matter is formed . . . .
Page 253 - It is a bed of sand, flat, in the strictest sense of the word, and abounding with extensive pine woods. These woods afford turpentine, resin, and charcoal, for trade, as well as a sort of candles, used by the peasantry, made of yarn dipt in the turpentine. The road is through the sand, unaltered by art, except where it is so loose and deep as to require the trunks of the fir-trees to be laid across, to give it firmness.

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