Encyclopaedia Perthensis; or, Universal dictionary of Knowledge, Volume 15 |
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Page 19
... transparent glass ; and as they have no attraction to the char coal , they keep themfelves always upon it in a round globular form . The fal fufibile microco C 2 micum which spreads over the third , half , or more CHAP . I. 19 MINERALOG Y.
... transparent glass ; and as they have no attraction to the char coal , they keep themfelves always upon it in a round globular form . The fal fufibile microco C 2 micum which spreads over the third , half , or more CHAP . I. 19 MINERALOG Y.
Page 20
... transparent that the cracks in the charcoal may be seen through it . This done , whatsoever is to be tried is put to it , and the fire continued . For the affays made with any of these two flux- es on mineral bodies , no larger pieces ...
... transparent that the cracks in the charcoal may be seen through it . This done , whatsoever is to be tried is put to it , and the fire continued . For the affays made with any of these two flux- es on mineral bodies , no larger pieces ...
Page 23
... transparent : and thus the prefence of the copper may be difcovered by the colour , when it is concealed in heterogeneous bodies , fo as not to be discovered by any other experiment . If metallic copper is melted with Torax by a flow ...
... transparent : and thus the prefence of the copper may be difcovered by the colour , when it is concealed in heterogeneous bodies , fo as not to be discovered by any other experiment . If metallic copper is melted with Torax by a flow ...
Page 28
... Transparency . 4. Colour . 5. Scratch . 6. Luftre . 7. Hirdnefs . 8. Ductility . 9. Fracture . 10. Tex- ture . 11. Structure . 12. Fragments . 13. Feel . 14 . Sound . 15. Smell . 16. Tafte . 17. Gravity . 18 . Magnetifm . 19 ...
... Transparency . 4. Colour . 5. Scratch . 6. Luftre . 7. Hirdnefs . 8. Ductility . 9. Fracture . 10. Tex- ture . 11. Structure . 12. Fragments . 13. Feel . 14 . Sound . 15. Smell . 16. Tafte . 17. Gravity . 18 . Magnetifm . 19 ...
Page 29
... TRANSPARENCY is meant the propor- tion of light which minerals are capable of tranf- mitting . They are transparent or pellucid when betts can be feen diftinctly through them ; dia- pers , when objects arefeen thro ' them indiftinct- sy ...
... TRANSPARENCY is meant the propor- tion of light which minerals are capable of tranf- mitting . They are transparent or pellucid when betts can be feen diftinctly through them ; dia- pers , when objects arefeen thro ' them indiftinct- sy ...
Common terms and phrases
acid alfo almoft alſo alumina analyfed ancient antimony barytes becauſe blow-pipe body borax cafe called carbonat carbonic acid caufe colour compofed confequence confiderable confifts contains cryftallized difcovered diffolved earth falt fame fays feems fenfe feparated ferve feveral fhall fhould fide filica filk filver fince firft firſt fize fmail fmall foliated folution fome fometimes foon fpecies French ftate ftill ftone ftrong fubftance fubject fuch fulphur fuppofed furface GENUS gravity grey Hardneſs himſelf houfe inhabitants Klaproth laft lefs lime Luftre meaſure melts metallic miles mineral moft moſt mould mountains muft muriatic muriatic acid muſt nature nitric acid obferved occafion oxide paffions perfon potafs precipitate prefent prifm quantity reafon Ruffia Shak ſmall Specific gravity ſtate texture thefe themſelves ther theſe thofe thoſe tion town of France town of Naples Tranfparency ufually uſed whofe yellow
Popular passages
Page 353 - You may as well go stand upon the beach, And bid the main flood bate his usual height ; You may as well use question with the wolf, Why he hath made the ewe bleat for the lamb ; You may as well forbid the mountain pines To wag their high tops, and to make no noise, When they are fretted with the gusts of heaven...
Page 386 - What hands are here? ha! they pluck out mine eyes! Will all great Neptune's ocean wash this blood Clean from my hand? No; this my hand will rather The multitudinous seas incarnadine, Making the green one red.
Page 396 - ... without any warrant or authority from any power either divine or human, but in direct contradiction to the laws both of God and man : and therefore the law has justly fixed the crime and punishment of murder on them and on their seconds also.
Page 133 - We do it wrong, being so majestical, To offer it the show of violence ; For it is, as the air, invulnerable, And our vain blows malicious mockery.
Page 109 - Biron they call him ; but a merrier man, Within the limit of becoming mirth, I never spent an hour's talk withal : His eye begets occasion for his wit ; For every object that the one doth catch The other turns to a mirth-moving jest...
Page 371 - Sometime like apes that mow and chatter at me And after bite me, then like hedgehogs which Lie tumbling in my barefoot way and mount Their pricks at my footfall. Sometime am I All wound with adders who with cloven tongues Do hiss me into madness.
Page 106 - And the brother shall deliver up the brother to death, and the father the child : and the children shall rise up against their parents, and cause them to be put to death.
Page 309 - ... in case of non-payment at the time limited, for ever dead and gone from the mortgagor ; and the mortgagee's estate in the lands is then no longer conditional, but absolute. But, so long as it continues conditional, that is, between the time of lending the money, and the time allotted for payment, the mortgagee is called tenant in mortgage...
Page 170 - ... be reckoned thirty times cheaper than it is now. In the reign of William the Conqueror commodities were ten times cheaper than they are at prefent ; from which we cannot help forming a very high idea of the wealth and power of that king. For...
Page 257 - Laws, or from thofe who are intruded with the Execution of them. In fine, the Commercial Virtues and Duties require that we not only do not invade, but maintain the Rights of others ; that we be fair and impartial in transferring, bartering, or exchanging Property, whether in Goods or Service; and be inviolably faithful to our Word and our Engagements where the Matter of them is not criminal, and where they are not extorted by Force.