An Easy Introduction to the Arts and Sciences:: Being a Short, But Comprehensive System of Useful and Polite Learning, Divided Into Lessons. Illustrated with Cuts, and Adapted to the Use of Schools and AcademiesS. Crowder, Pater-noster-Row., 1792 - Всего страниц: 248 |
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Стр. 16
... cause of their lightness . The fnow is white , because the small particles of ice that compose those flakes being hard , folid ,, tranfparent , and differently arranged , they reflect to us the light from all parts . LESSON HAIL LESSON ...
... cause of their lightness . The fnow is white , because the small particles of ice that compose those flakes being hard , folid ,, tranfparent , and differently arranged , they reflect to us the light from all parts . LESSON HAIL LESSON ...
Стр. 17
... cause of this meteor ? A. Thunder is caufed by the nitrous or ful- phureous particles of the clouds , taking fire through the fierceness of their motion , occafioned by ftrong winds , and bursting with a tremendous noife , which is ...
... cause of this meteor ? A. Thunder is caufed by the nitrous or ful- phureous particles of the clouds , taking fire through the fierceness of their motion , occafioned by ftrong winds , and bursting with a tremendous noife , which is ...
Стр. 18
... caused by a kind of echo formed in the clouds , to which many hard bodies upon the earth may con- tribute , which return thofe rollings we hear after a great clap of thunder . 2. I have heard talk of thunder - bolts and their ftrange ...
... caused by a kind of echo formed in the clouds , to which many hard bodies upon the earth may con- tribute , which return thofe rollings we hear after a great clap of thunder . 2. I have heard talk of thunder - bolts and their ftrange ...
Стр. 19
... causes of colours , they left the task unfinished for Newton to complete . - It is made , according to his theory , by the rays of the fun being refracted by the drops of falling rain or mist , and thence re- flected to the fpectator's ...
... causes of colours , they left the task unfinished for Newton to complete . - It is made , according to his theory , by the rays of the fun being refracted by the drops of falling rain or mist , and thence re- flected to the fpectator's ...
Стр. 21
... caused by the inflammation of fome fulphureous and bituminous exhalations contained in the caverns of the earth , not far from its furface . In the fouthern countries , earthquakes are very frequent.- Naturalifts attribute them both to ...
... caused by the inflammation of fome fulphureous and bituminous exhalations contained in the caverns of the earth , not far from its furface . In the fouthern countries , earthquakes are very frequent.- Naturalifts attribute them both to ...
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An Easy Introduction to the Arts and Science: Being a Short, But ... Richard Turner Полный просмотр - 1812 |
An Easy Introduction to the Arts and Sciences:: Being a Short, But ... Richard Turner Полный просмотр - 1795 |
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Afia againſt alfo almoft alſo animals atmoſphere Aurora Borealis becauſe body Boeotia caufe cauſe Ceres Chrift clouds Colchis colour confiderable confifts defcend difcovered diftinguished diſtance diurnal motion eafily earth electricity empire faid fame fcience fecond feem feen feet fets feven feveral fhew fhips fhort fhould fide filk fire firft firſt fituation fize fmall fo called folid fome fometimes foon fouth fpring ftate ftill ftone fubject fuch fummer fuppofed furface fyphon goddeſs gold Greek heavens hiftory himſelf iflands itſelf Jupiter kind king leaſt lefs light meaſure miles moft moon moſt motion muſt nature neceffary Nereides obferved occafioned Pater-nofter-Row Pelias perfon Pluto Portugal prefent preffure purpoſe raiſed reafon reft religion repreſented rife rivers round Ruffia Saturn ſmall Spain ſtars ſtate Tartarus thefe themſelves theſe thofe thoſe thunder tides uſe vapours weft weight whofe whoſe wind word
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Стр. 46 - As may with sweetness, through mine ear, Dissolve me into ecstasies, And bring all Heaven before mine eyes. And may at last my weary age Find out the peaceful hermitage, The hairy gown and mossy cell, Where I may sit and rightly spell Of every star that heaven doth shew, And every herb that sips the dew, Till old experience do attain To something like prophetic strain.
Стр. 137 - The great blue heron (Ardea herodias) is about four feet in length from the point of the bill to the end of the tail, and nearly six feet across the wings.
Стр. 238 - Franklin, astonishing as it must have appeared, contrived actually to bring lightning from the heavens, by means of an electrical kite, which he raised when a storm of thunder was perceived to be coming on. This kite had a pointed wire fixed upon it, by which it drew the lightning from the clouds. This lightning...
Стр. 239 - ... so that it would stream out plentifully from the key, at the approach of a person's finger. At this key he charged phials, and from electric fire thus obtained, he kindled spirits, and performed all other electrical experiments which are usually exhibited by an excited globe or tube.
Стр. 110 - The soft murmurs of the waters are the sighs of the Naiads. A god impels the winds. A god pours out the rivers. Grapes are the gift of Bacchus. Ceres presides over the harvest. Orchards are the care of Pomona. Does a shepherd sound his reed on the summit of a mountain, it is Pan who with his...
Стр. 215 - If a little water be poured into the tube upon the lead, it will increafe the weight upon the column of water under the lead, and caufe the lead to fall from the tube to the bottom of the glafs veflel, where it will lie in the fituation b d.
Стр. 66 - Thirty days hath September, April, June, and November ; February twenty-eight alone, All the rest have thirty-one ; Except in Leap year, then is the time, When February has twenty-nine.
Стр. 215 - AB, to the depth of fix inches below the furface of the water at K : and then the leaden bottom EFG will be plunged to the depth of fomewhat more than eleven times its own thicknefs : holding the tube at that depth, you may let go the thread at L, and the lead will not fall from the tube, but...
Стр. 11 - ... will afcend towards the upper part of the atmofphere, and the adjacent air will rufh in to fupply its place ; and therefore, there will be a ftream or current of air from all parts towards the place where the heat is. And hence we fee the reafon why the air rufhes with fuch force into a glafs-houfe, or towards any place where a great fire is made.
Стр. 111 - ... of men and gods : under his feet roll the thunders formed by the Cyclops in the cavern of Lemnos : his smile rejoices nature, and his nod shakes the foundation of Olympus.