Chambers's Information for the People, 第 1 巻J. B. Lippincott & Company, 1857 |
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acid action animals appear atmosphere attraction body bromine called calyx carbonic carbonic acid carpels cause centre chemical chiefly chlorine chyle clay colour common composed compound consists contains copper corolla Crustacea degree distance earth ecliptic electricity equal exist extremely fall feet flowers fluid force genera glass globe gravity greater heat hence hydrogen inches inclined plane insects kind known larvæ leaves length less lever light lime limestone liquid mass matter metal miles minute motion move nature nitric acid object observed ovary oxide oxygen Pachydermata particles peculiar pendulum pistil plants plate polypes portion possess pounds pressure principle produced proportion pulley quantity rays remarkable resemblance rocks round seeds shell side skin solid sometimes species specific gravity stamens structure substance sulphur surface teeth temperature tion trees tribe tube usually vapour vegetable velocity vessel weight wheel whole zinc
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39 ページ - One general fact relative to situation is, that whatever diminishes the view of the sky, as seen from the exposed body, occasions the quantity of dew, which is formed upon it, to be less than would have occurred, if the exposure to the sky had been complete.
62 ページ - The common cause of waves is the friction of the wind upon the surface of the water. Little ridges or elevations first appear, which by continuance of the force, gradually increase, until they become the rolling mountains seen where the winds sweep over a great extent of water. The heaving of the bay of Biscay, or still...
242 ページ - A lens is glass ground into such a form, as to collect or disperse the rays of light which pass through it. These are of different shapes, and from thence receive different names.
32 ページ - The head was covered with a dry skin ; one of the ears, well preserved, was furnished with a tuft of hairs.
242 ページ - Let the empty vessel stand on the floor, a few feet in advance of the window which admits the light, and let it be so arranged that, as the beam of light descends towards the floor, it just passes over the top of the side of the vessel next the window, and strikes the bottom on the side farthest from the window. Let the spot where it falls be marked. Now, on filling the vessel with water, the ray, instead of striking the original spot, will fall considerably nearer the side towards the window.
31 ページ - Leviathan of the Pampas ? or, in what more powerful creature can we find the cause that has effected the extirpation of his race ? His entire frame was an apparatus of colossal mechanism, adapted exactly to the work it had to do ; strong and ponderous, in proportion as this work was heavy, and caleulated to be the vehicle of life and enjoyment to a gigantic race of quadrupeds...
46 ページ - ... noise so different from the snap, which accompanies the discharge of a Leyden jar. If the electricity were confined to the clouds, a single discharge (or a single flash of lightning) would restore the equilibrium. The cloud would collapse and discharge itself in rain, and the serenity of the heavens would be restored. But this is seldom the case. I have witnessed the most vivid discharges of lightning from one cloud to another, which enlightened the whole horizon, continue for several hours,...
34 ページ - Generally the rising of the mercury indicates the approach of fair weather ; the falling of it shows the approach of foul weather. 2. In sultry weather the fall of the mercury indicates coming thunder ; in winter the rise of the mercury indicates frost ; in frost its fall indicates thaw, and its rise indicates snow. 3. Whatever change of weather suddenly follows, a change in the...
58 ページ - Part of the bed of the sea remained bare and dry at high water, " with beds of oysters, muscles, and other shells adhering to the rocks on which they grew, the fish being all dead, and exhaling most offensive effluviaf." An old wreck of a ship, which before could not be approached, became accessible from the land ; although its distance from the original sea-shore had not altered.
264 ページ - No sooner had a dense cloud, apparently charged with lightning, passed over the spot on which he stood, than his attention was arrested by the bristling up of some loose fibres on the hempen string: he immediately presented his knuckle to the key, and received an electric spark. The...