Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 4. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
From inside the book
Results 1-3 of 88
Page 489
... added two drachms of oil of vitriol , ftill employing the iron tube . A piece of wet charcoal was alfo fufpended in the infide , a cover fixed on the tube , and the latter was heated for about 15 minutes in a fand bath . Obferving now ...
... added two drachms of oil of vitriol , ftill employing the iron tube . A piece of wet charcoal was alfo fufpended in the infide , a cover fixed on the tube , and the latter was heated for about 15 minutes in a fand bath . Obferving now ...
Page 525
... added to cach . On being calt as ufual , they bore all the operations of manufacturing as before , though fenfibly harder . The lalt cracked at the edges as it had done without the copper , but bore cutting rather better than in its for ...
... added to cach . On being calt as ufual , they bore all the operations of manufacturing as before , though fenfibly harder . The lalt cracked at the edges as it had done without the copper , but bore cutting rather better than in its for ...
Page 559
... added , a double de compofition takes place , and the manganefe is preci- pitated along with the fluor acid . 1367 10. A drachm of phosphoric acid digefted with as Or in phof much powdered manganefe , diffolved but little of it ; phoric ...
... added , a double de compofition takes place , and the manganefe is preci- pitated along with the fluor acid . 1367 10. A drachm of phosphoric acid digefted with as Or in phof much powdered manganefe , diffolved but little of it ; phoric ...
Common terms and phrases
acetous acid alfo alum antimony aqua regia arfenic bifmuth boiling borax cafe calcined calx caufe cauftic Chineſe cobalt colour confiderable confiftence contained copper crucible cryftals decompofed dephlogifticated diffolved diftillation digeftion drachms eafily earth effervefcence evaporated expofed fal ammoniac faline falt fame faturated feems feparated fhould filk filver fimilar fire firft fixed air fixed alkali fmall fmell foluble folution fome fometimes foon fpecific gravity fpirit of wine ftate ftill ftrong fubftance fublimate fuch fufficient fufion fugar fulphur fuppofed furface glafs gold grains heat inflammable iron itſelf laft lefs likewife liquor mafs manganefe marine acid matter melted mercury metal mineral alkali mixed mixture moft moſt neceffary nitre nitrous acid obferved obtained oil of vitriol ounces phlogifton platina powder precipitate procefs pure purpoſe quantity quicklime reafon refiduum regulus retort ſmall tartar thefe theſe thofe thoſe tion uſed vapours veffel vitriolic acid volatile alkali yellow zinc