Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 11. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
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Page 431
... contains very large maffts of pyrites of this kind , they mult undergo the fame changes when air and moisture penetrate the cavities containing them ; and the best natural philofo- phers agree , that very probably this furprising decom ...
... contains very large maffts of pyrites of this kind , they mult undergo the fame changes when air and moisture penetrate the cavities containing them ; and the best natural philofo- phers agree , that very probably this furprising decom ...
Page 434
... contains three quarters of its weight of pure filver . In this ore the filver is mineralised by fulphur alone . Some expert ar- tifts imitate it very well by combining fulphur with fil- ver by fufion in a crucible . This ore , according ...
... contains three quarters of its weight of pure filver . In this ore the filver is mineralised by fulphur alone . Some expert ar- tifts imitate it very well by combining fulphur with fil- ver by fufion in a crucible . This ore , according ...
Page 446
... contains fo much filver as to be enumerated by fe- veral mineralogifts amongst filver ores . Laftly , the pyrites of a golden yellow colour which contains copper and fulphur , and the white pyrites which contains copper and arfenic ...
... contains fo much filver as to be enumerated by fe- veral mineralogifts amongst filver ores . Laftly , the pyrites of a golden yellow colour which contains copper and fulphur , and the white pyrites which contains copper and arfenic ...
Common terms and phrases
alfo alſo animalcule antimony appear arfenic becauſe body brafs cafe calcination called caufe cauſe colour confequence confiderable confifts copper Cortes diftinct diſcovered diſtance divifions earth exiftence exiſtence extenfion faid fame fays fcrew fecond feems feen fenfation fenfe fent feparated feven feveral fhall fhould fide filver fimilar fimple fingle firft firſt fituation fize flider fmall folar folid fome fomething fometimes foon fore ftate ftill ftones fubftance fubject fuch fufficient fufion fulphur fuppofe furnace fyftem glafs himſelf ideas impoffible inches inftance inftrument iron itſelf kind laft lefs likewife litharge magnifier matter meaſure metals Mexicans Mexico micrometer microſcope mind moft Montezuma moſt motion muft muſt nature neceffary obferved object occafion paffing pelvis perceive perception perfon philofophers poffible pofition prefent purpoſe pyrites quantity reafon refemblance refpect reft ſmall ſome ſpace Spaniards thefe themſelves theſe thing thofe thoſe tion tube uſed uterus veffel