Journal of Natural Philosophy, Chemistry and the Arts, 2. kötetG. G. and J. Robinson, 1799 |
Részletek a könyvből
1 - 5 találat összesen 41 találatból.
11. oldal
... seems that a clergyman , though near - fighted , often amufed himself with firing at a mark , and contrived to ftretch a wire fo as to draw the mark to him to fee how he had aimed . He obferved that the wire fometimes founded as if it ...
... seems that a clergyman , though near - fighted , often amufed himself with firing at a mark , and contrived to ftretch a wire fo as to draw the mark to him to fee how he had aimed . He obferved that the wire fometimes founded as if it ...
15. oldal
... seem to fly over the water . But when the current runs from fouth to north , and the north wind blows hard at the fame time , the ship which expected eafily to pass the ftrait with the wind in its ftern , on its entering the channel is ...
... seem to fly over the water . But when the current runs from fouth to north , and the north wind blows hard at the fame time , the ship which expected eafily to pass the ftrait with the wind in its ftern , on its entering the channel is ...
19. oldal
... seems , at least at first view , to have vifited the place . I fhall transcribe his words : " Ego fane , cum , Charybdis nofcendæ gratia aliquot dies Meffanæ fubfifterem , et ab hominibus ejus loci , maximè vero nautis , non Siculis ...
... seems , at least at first view , to have vifited the place . I fhall transcribe his words : " Ego fane , cum , Charybdis nofcendæ gratia aliquot dies Meffanæ fubfifterem , et ab hominibus ejus loci , maximè vero nautis , non Siculis ...
44. oldal
... seems neceffary to make the experiment with only a very minute excess of the latter . Scheele thought the acid ( Effays , p . 362. ) in the citrate to be pure , aud he required an excess of fulphuric acid to be added to insure the ...
... seems neceffary to make the experiment with only a very minute excess of the latter . Scheele thought the acid ( Effays , p . 362. ) in the citrate to be pure , aud he required an excess of fulphuric acid to be added to insure the ...
51. oldal
... seem to mention as a new thing . He died about 1513. The isochronism of the pendulum was known to Galileo in 1600 , who before his death , namely about 1633 , proposed to apply it to clocks . The actual application by Huyghens was made ...
... seem to mention as a new thing . He died about 1513. The isochronism of the pendulum was known to Galileo in 1600 , who before his death , namely about 1633 , proposed to apply it to clocks . The actual application by Huyghens was made ...
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Más kiadások - Összes megtekintése
Gyakori szavak és kifejezések
afcertain afford againſt alfo alkali alſo appears atmoſphere azotic gas bar iron becauſe bitumen cafe camphor carbon carbonic acid caufe cauſe Charybdis cinnabar circumftances colour combuftion confequently confiderable confifts Corundum cryftals cylinder defcribed Defcription diffolved diſtance earth eſcapement experiments falt faltpetre fame fatellites fecond feems feen feparated fhall fhew fide fimilar firſt fituation fluid fmall foda folar folid folution fome formed fpring ftate fteel fubftance fubject fuch fufficient fulphate fulphuric acid fuppofed furface glafs glaſs gold grains greateſt heat inches increaſe inftrument iron itſelf laft lefs leſs mafs meaſures mercury metal moſt motion mucilage muriatic acid muſt neceffary nitre nitric acid obferved occafioned oppofite oxygen paffed pallet Philofophical phoſphorus plates pofition prefent procefs produced purpoſe quantity reaſon refpecting refult reprefented Scylla ſeparated ſeveral ſhall ſhould ſmall ſtate ſteel ſubſtance ſuch thefe theſe thofe thoſe tube uſed veffel vibration waſhing wheel
Népszerű szakaszok
355. oldal - Armenians, have a singular method of ornamenting watch cases, &c., with diamonds and other precious stones, by simply glueing or cementing them on. The stone is set in silver or gold, and the lower part of the metal made flat, or to correspond with the part to which it is to be fixed; it is then warmed gently, and...
112. oldal - ... made watertight by means of collars of oiled leather, the box was filled with cold water (viz. at the temperature of 60'), and the machine was put in motion. The result of this beautiful experiment was very striking, and the pleasure it afforded me amply repaid me for all the trouble I had had in contriving and arranging the complicated machinery used in making it.
113. oldal - BOILED ! It would be difficult to describe the surprise and astonishment expressed in the countenances of the bystanders, on seeing so large a quantity of cold water heated, and actually made to boil, without any fire.
330. oldal - The winds roared, and the rains fell. The poor white man, faint and weary, came and sat under our tree. He has no mother to bring him milk — no wife to grind his corn.
107. oldal - Being engaged lately in superintending the boring of cannon in the workshops of the military arsenal at Munich, I was struck with the very considerable degree of Heat which a brass gun acquires in a short time in being bored, and with the still more intense Heat (much greater than that of boiling water, as I found by experiment) of the metallic chips separated from it by the borer.
13. oldal - Far on the right, her dogs foul Scylla hides: Charybdis roaring on the left presides, And in her greedy whirlpool sucks the tides; Then spouts them from below: with fury driv'n, The waves mount up and wash the face of heav'n.
112. oldal - ... of the other end of it, it is evident that the machinery could be put in motion, without the least danger of forcing the box out of its place, throwing the water out of it, or deranging any part of the apparatus.
114. oldal - ... further how large a quantity of heat might be produced by proper mechanical contrivance, merely by the strength of a horse, without either fire, light, combustion, or chemical decomposition; and, in a case of necessity, the heat thus produced might be used in cooking victuals.
417. oldal - At first they could not be persuaded of the reality of the appearance ; but they soon became so thoroughly convinced, by the cliffs gradually appearing more elevated, and approaching nearer, as it were, that they pointed out, and named to me, the different places they had been accustomed to visit ; such as the Bay, the Old Head or Man, the Windmill, &c. at Boulogne ; St. Vallery, and other places on the coast of Picardy ; which they afterwards confirmed, when they viewed them through their telescopes.
138. oldal - Paulus ./Egineta fpeaks of fugar, as growing, in his time, in Europe, and alfo as brought from Arabia Felix ; the latter of which he feems to think lefs fweet than the fugar produced in Europe, and neither injurious to the Ûomach nor caufing thirft, as the European fugar was apt to do.