Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 11. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
From inside the book
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Page 434
... fulphur or by arfenic . This filver , called alfo native or virgin , generally affects fome regular form , and confifts of filaments or vegetations of va- rious figures . It is found in form of plates , of fibres , or of grains , or ...
... fulphur or by arfenic . This filver , called alfo native or virgin , generally affects fome regular form , and confifts of filaments or vegetations of va- rious figures . It is found in form of plates , of fibres , or of grains , or ...
Page 458
... fulphur from pyrites , this mine- ral ought to be expofed to a heat fufficient to fublime the fulphur , or to make it diftil in veffels , which must be close , to prevent its burning . Sulphur is extracted from pyrites at a work at ...
... fulphur from pyrites , this mine- ral ought to be expofed to a heat fufficient to fublime the fulphur , or to make it diftil in veffels , which must be close , to prevent its burning . Sulphur is extracted from pyrites at a work at ...
Page 459
... 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 others , was formerly neglected , till , in the year 1570 , a per- fon employed in 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 others , was formerly neglected , till , in the year 1570 , a per- fon employed in the ...
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