Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and Miscellaneous Literature, Volume 13

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Archibald Constable, 1823

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Page 118 - ... when the velocities compared are more than double of that where the given load produces a maximum, the effects increase nearly in a simple ratio of the velocity of the wind.
Page 270 - ... sometimes they creep on surprisingly slow, and very frequently intermit. The sick become quite insensible and stupid, scarce affected with the loudest noise or the strongest light, though at the beginning strangely susceptive of the impressions of either.
Page 47 - ... of the weight. Coulomb made numerous experiments upon friction, and, by employing large bodies and ponderous weights, and conducting his experiments on a large scale, corrected several errors, which necessarily arose from the limited experiments of preceding writers. He brought to light many new and striking phenomena, and confirmed others, which were previously but partially established. We cannot, in a work of this kind, follow M.
Page 17 - Berlin in 1744, when a marriage was negociated and * brought about by the good offices of the queen mother, between our author and mademoiselle de Borck, a lady of great beauty and merit, and nearly related to M. de Borck, at that time minister of state. This determined him to settle at Berlin, as he was extremely attached to his new spouse, and regarded this alliance as the most fortunate circumstance of his life. In...
Page 331 - During eight years, which have elapsed since Dr. Jenner made his discovery public, the progress of vaccination has been rapid, not only in all parts of the united kingdom, but in every quarter of the civilized world. In the British islands some hundred thousands have been vaccinated ; in our possessions in the East Indies upwards of 800,000 ; and among the nations of Europe the practice has become general. Professional men have submitted it to the fairest trials, and the public have, for the most...
Page 302 - This name has been given to an inflammation of the glottis, larynx, or upper part of the trachea, whether it affect the membranes of these parts, or the muscles adjoining. It may arise first in these parts, and continue to subsist in them alone; or it may come to affect these parts, from the cynanche tonsillaris or maligna spreading into them.
Page 160 - Of the Roman consular coins not very many have ever been forged. The celebrated silver denarius of Brutus, with the cap of liberty and two daggers, is the chief instance of a consular coin of which a counterfeit is known. But it is easily rejected by this mark : in the true coin the cap of liberty is below the guard or hilt of the daggers; in the false the top of it rises above tin, t hilt. The imperial series of medals is the grand object of modern medallic forgeries; and the' deception was at first...
Page 115 - ... foot high in a second for ten hours in a day. Two men working at a windlass at right angles to each other can raise 70 pounds more easily than one man can raise 30 pounds. Mr.
Page 64 - CENTRE OF GRAVITY Of any body, or system of bodies, is that point upon which the body, or system of bodies, acted upon only by the force of gravity, will balance itself in all positions...
Page 332 - ... but it appears, that nothing more was meant* than to express irregularity or difference from that common form and progress of the vaccine pustule from which its efficacy is inferred.

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