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 458
... Sulphur must be moderately and prudently conducted ; other- wife lefs fulphur would be obtained , and it alfo would SECT . I. Extraction of Sulphur from Pyrites and it ought to have when pure . The ordinary lofs in be of a grey colour ...
... Sulphur must be moderately and prudently conducted ; other- wife lefs fulphur would be obtained , and it alfo would SECT . I. Extraction of Sulphur from Pyrites and it ought to have when pure . The ordinary lofs in be of a grey colour ...
Page 459
... Sulphur falling down or cracking , by which the air has fo much free accefs , that the fulphur is burnt and con- fumed , from 10 to 20 quintals of crude fulphur are by this method collected . The fulphur of this ore , like that of most ...
... Sulphur falling down or cracking , by which the air has fo much free accefs , that the fulphur is burnt and con- fumed , from 10 to 20 quintals of crude fulphur are by this method collected . The fulphur of this ore , like that of most ...
Page 467
... Sulphur is more dif- pofed to unite with iron than with copper . 2. The iron of thefe ores is deftructible by the burning fulphur during the roafting or the fufion of the ores , while the copper is not injured . This fact appears from ...
... Sulphur is more dif- pofed to unite with iron than with copper . 2. The iron of thefe ores is deftructible by the burning fulphur during the roafting or the fufion of the ores , while the copper is not injured . This fact appears from ...
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