An easy introduction to the arts and sciences

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pr. by William Porter, 1811 - 251 страници

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Страница 53 - 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.
Страница 156 - 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.
Страница 228 - ... the air. An artificial earthquake may be made thus. Take 10 or 15 pounds of fulphur, and as much of the filings of iron, and knead them with common water into the...
Страница 211 - ... by means of a mill, which turns a wheel of foft iron, fprinkled over with diamond duft, mixed with oil of olives. The fame duft, well ground, and diluted with water and vinegar, is ufed in the fawing of diamonds ; which is performed with an iron or brafs wire as fine as a hair.
Страница 260 - ... 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.
Страница 235 - ... fupport the lead at the depth K E. 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.
Страница 237 - ... becaufe the weight of a column of water 33 feet high is equal to the weight of as thick a column of air, reaching from the furface of the earth to the top of the atmofphere; fo that there will then be an equilibrium, and...
Страница 116 - 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.
Страница 160 - It is near six inches in length from the tip of the bill to the end of the tail, the former being about half an inch, and the latter two inches and a half.
Страница 259 - ... 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...

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