Journal of Natural Philosophy, Chemistry, and the Arts: Illustrated with Engravings. By William Nicholson. ...G. G. and J. Robinson, 1800 |
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
afcertain afforded againſt alfo alkali almoſt alſo angle angle of incidence appeared atmoſphere barytes becauſe boiling cafe carbonate carbonic acid caufe cauſe circumftances colour confequently confiderable confifts contained cryftals cylinder defcribed defcription diffolved diftilled earth elephant experiments faline falt fame faturated fcale fecond feems feparated fhall fhew fide filk fimilar fince firft firſt fituation fluid fmall foap folution fome ftate ftill fubftance fubject fuch fufficient fugar fulphate fuppofe furface glaſs grains greateſt heat inches increaſe inftrument iron itſelf keddah laft laſt leaſt lefs leſs lime liquor meaſure metal moft moſt mucilage muriatic acid muſt neceffary nitrous nitrous acid obferved occafion oxyde oxygen philofopher poffible potaſh precipitate prefent produced publiſhed purpoſe quantity refpect refult ſcale ſeparated ſhall ſhould ſmall ſolution ſome ſpace ſphere ſtandard ſtate Strontian ſuch ſuppoſed tallow temperature thefe themſelves theſe thofe thoſe tube uſed veffel vitriolic weight
مقاطع مشهورة
الصفحة 246 - ... while sucking. Elephants never lie down to give their young ones suck; and it often happens, when the dam is tall, that she is obliged for some time to bend her body towards her young, to enable him to reach the nipple with his mouth: consequently, if ever the trunk...
الصفحة 535 - When taken out, they were fo completely diftended with the gum in folution, that, upon becoming dry by expofure to the air, not only every thread, but every fibre of the cotton had its own...
الصفحة 25 - When the hat is completely finished, the crown is tied up in gauze paper, which is neatly ironed down. It is then ready for the subsequent operations of lining, &c.
الصفحة 428 - ... after them. As to implements, the Norfolk plough is chiefly what is ufed ; and, upon a light foil, it •'. is certainly preferable to any other. It ploughs a cleaner furrow, by completely moving the whole body of earth, and inverts it much better than any other plough ; and, to eftablifh its...
الصفحة 382 - ... accuracy, when ufed at a time when the temperature of the air is the fame as when the balance was made, yet, as it may happen, that in order to bring the arms of the balance to be of the...
الصفحة 534 - I thought would be sufficient for one coat. Having dipped my fingers in this, I completely covered the moulds one after another, and what dropped into the plates was...
الصفحة 24 - The glue stiffening is applied after the beer grounds are dried, and then only upon the lower face of the flap, and the inside of the crown. For this...
الصفحة 23 - ... the plank, till he has by this means rubbed out a flat portion equal to the intended crown of the hat. In the next place he takes a block to the crown of which he applies the flat, central portion of the felt, and by forcing...
الصفحة 534 - I added heels and ftraps, when the boots had a very neat appearance. To fatisfy myfelf as to their impermeability to water, I flood in a pond up to their tops for the fpace of fifteen minutes, when, upon pulling them off, I did not find my ftockings in the leaft damp.
الصفحة 86 - ... trough is full. It is then covered over with clay, to keep out the air ; which, if admitted, would effectually prevent the cementation. When the fire is put into the grate, the heat paffes round by means of flues, made at intervals, by the fides of the trough.