The Accomplished Tutor: Or, Complete System of Liberal Education : Containing the Most Improved Theory and Practice of the Following Subjects : 1. English Grammar, and Elocution. 2. Penmanship, and Short Hand. 3. Arithmetic, Vulgar and Decimal ... and Other Useful Matter ...

الغلاف الأمامي
H. D. Symonds and Vernor and Hood, 1802

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الصفحة 312 - If after rain the wind change into any part of the north, with a clear and dry sky, and the mercury rise, it is a certain sign of fair weather.
الصفحة 101 - To find at what time of the year a given star will be upon the meridian, at a given hour of the night. Bring the given star to the upper semicircle of the...
الصفحة 311 - ... a continuance of fair weather to follow. 6. In fair weather, when the mercury falls much and low, and thus continues for two or three days before the rain comes, then expect a great deal of wet, and probably high winds.
الصفحة 257 - The wedge is a very great mechanical power, since not only wood, but even rocks, can be split by it ; which it would be impossible to effect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily.
الصفحة 259 - As the distance between the body to be raised, or balanced, and the fulcrum, or prop, is to the distance between the prop and the point where the power is applied, so is the power to the weight which it will balance.
الصفحة 310 - ... 2. In very hot weather, the falling of the mercury indicates thunder. 3. In winter, the rising presages frost: and in frosty weather, if the mercury falls three or four divisions, there will be a thaw.
الصفحة 391 - Take of virgin wax and asphaltum, each two ounces, of black pitch and burgundy pitch each half an ounce. Melt the wax and pitch in a new earthenware glazed pot, and add to them, by degrees, the asphaltum, finely powdered. Let the whole boil till such time as...
الصفحة 306 - ... of the bladder be overcome by the weight of the air; and then it will break with a report as loud as that of a gun.— If a flat piece of glafs be laid upon the open top of this receiver, and joined to it by a flat ring of wet leather between them; upon pumping the air out of the receiver, the prefibre of the outward air upon the flat glafs will break it all to pieces.
الصفحة 234 - ... meridian towards that part of the horizon marked north, will be the sun's altitude. Examples. 1. What is the sun's altitude at the North Cape in Lapland, when it is midnight at Alexandria in Egypt...
الصفحة 326 - A body immersed in a fluid, which is specifically lighter than itself, loses so much of its weight as is equal to the weight of a quantity of the fluid of the same bulk with itself. Hence a body loses more of its weight in a heavier fluid than in a lighter one, and therefore it weighs more in a lighter fluid than in a haavier one.

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