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 435
... lead . " Then have at hand the docimastical test , which must not as yet have ferved to any operation : pour into it about half of the granulated lead , and fpread it with your finger through the cavity of it . " Put upon this lead the ...
... lead . " Then have at hand the docimastical test , which must not as yet have ferved to any operation : pour into it about half of the granulated lead , and fpread it with your finger through the cavity of it . " Put upon this lead the ...
Page 436
... lead , the fcorification is never completely made . Nay , there are a great many ores , containing fulphur and arfenie in plenty , that deftroy a confiderable quantity of lead : fuch are the red fil- ver - ore , and that wherein there ...
... lead , the fcorification is never completely made . Nay , there are a great many ores , containing fulphur and arfenie in plenty , that deftroy a confiderable quantity of lead : fuch are the red fil- ver - ore , and that wherein there ...
Page 465
... lead . The fufion is called cold fu- fion , and the lead obtained from it cold lead , which is good and faleable when the work has been well clear- ed from the heterogeneous matters mentioned above . The tefts and cupels impregnated ...
... lead . The fufion is called cold fu- fion , and the lead obtained from it cold lead , which is good and faleable when the work has been well clear- ed from the heterogeneous matters mentioned above . The tefts and cupels impregnated ...
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