Encyclopaedia Perthensis; Or Universal Dictionary of the Arts, Sciences, Literature, &c. Intended to Supersede the Use of Other Books of Reference, Том 8John Brown, 1816 |
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Страница 150
... metal faid by the ancients to be produced in Egypt is copper . On the road to Suez are found great numbers of Egyptian flints and pebbles , though the bottom is a hard , calca- reous , and fonorous stone . Here alfo M. Volney tells us ...
... metal faid by the ancients to be produced in Egypt is copper . On the road to Suez are found great numbers of Egyptian flints and pebbles , though the bottom is a hard , calca- reous , and fonorous stone . Here alfo M. Volney tells us ...
Страница 161
... metals ; and in fhort , the different species of aerial fluids indifcriminately . The elaftic force with which any one of thefe fluids is endowed has not yet been calculated , being ultimately great- er than any obstacle we can put in ...
... metals ; and in fhort , the different species of aerial fluids indifcriminately . The elaftic force with which any one of thefe fluids is endowed has not yet been calculated , being ultimately great- er than any obstacle we can put in ...
Страница 162
... metals becoming hot by hammering ; during which operation , in the Doctor's opinion , the element of heat is fqueezed out from between the particles of the metal , as water is from the pores of a fponge by preffing it between the ...
... metals becoming hot by hammering ; during which operation , in the Doctor's opinion , the element of heat is fqueezed out from between the particles of the metal , as water is from the pores of a fponge by preffing it between the ...
Страница 163
... metal bail , till the ball , with this acceflion of air , weigh confiderably more in the balance than it did before ; upon opening the mouth thereof , the air rushes out , till the bail link to its former weight . From hence we argue ...
... metal bail , till the ball , with this acceflion of air , weigh confiderably more in the balance than it did before ; upon opening the mouth thereof , the air rushes out , till the bail link to its former weight . From hence we argue ...
Страница 171
... metal . - Change ilver plate or veel into the compound Auff , being a kind of filver electre and turn the reft into coin . Bacon . ( 1. ) * ELECTRICAL . ELECTRICK , adj . [ from electrum . See ELECTRE . ] 1. Attractive with- out ...
... metal . - Change ilver plate or veel into the compound Auff , being a kind of filver electre and turn the reft into coin . Bacon . ( 1. ) * ELECTRICAL . ELECTRICK , adj . [ from electrum . See ELECTRE . ] 1. Attractive with- out ...
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Страница 393 - ... does as much as in him lies, break or stop the pipes whereby it is distributed to the public use and advantage of mankind. He that uses words without any clear and steady meaning, what does he but lead himself and others into errors? And he that designedly does it, ought to be looked on as an enemy to truth and knowledge.
Страница 353 - Christ was the word that spake it, He took the bread and brake it, And what that word did make it, That I believe and take it.
Страница 177 - If the iron globe is fixed on a pedeftal an inch from the table, and a glafs hoop, or a portion of a hollow glafs cylinder excited, be placed round it, the light body will move as in the circumftanccs mentioned above, and with the fame varieties.
Страница 58 - Delightful task! to rear the tender thought, To teach the young idea how to shoot...
Страница 360 - Me gentle Delia beckons from the plain, Then, hid in fhades, eludes her eager fwain ; But feigns a laugh, to fee me fearch around, ?'And by that laugh the willing fair is found.
Страница 301 - This seems to prove that there is a limit even in the rarefaction of air, which sets bounds to its conducting power ; or, in other words, that the particles of air may be so far separated from each other as no longer to be able to transmit the electric fluid ; that if they are brought within a certain distance of each other, their conducting power begins, and continually increases...
Страница 196 - It is imponderable, and, by its distribution, in various proportions, among the particles of matter, gives rise to the three general forms of gas, liquids and solids. The particles of water, by losing caloric, have their cohesion so much increased, that they assume the solid form of ice...
Страница 389 - And when the people were come into the wood, behold, the honey dropped; but no man put his hand to his mouth: for the people feared the oath.
Страница 339 - Again, a painter was desirous of drawing the elephant kept in the menagerie at Versailles in an uncommon attitude, which was that of holding his trunk raised up in the air, with his mouth open. The painter's boy, in order to keep the animal in this posture, threw fruit into his mouth ; but as he...
Страница 237 - When a quire of paper, without any thing between the leaves, is pierced by the electrical ftroke, the two powers keep in the fame track, and make but one hole in their paffage through the paper; not but that the power from above, or that from below, fometimes darts into the paper at two or more different points, making fo many holes; but thefe generally unite before they go through the paper. They...