Encyclopaedia Britannica, Volume 2Encyclopaedia Britannica, Incorporated, 1979 - Encyclopedias and dictionaries |
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Page 80
... mafs that may be cut , is half malleable , and hath nearly the co- four and confiflence of lead , If this fulphurated filver be kept a long time in fufiou , and in a great degree of heat , the fulphur flies off and leaves the filver ...
... mafs that may be cut , is half malleable , and hath nearly the co- four and confiflence of lead , If this fulphurated filver be kept a long time in fufiou , and in a great degree of heat , the fulphur flies off and leaves the filver ...
Page 178
... mafs . PLATINA . A hard substance . COPALT . The particular nature and properties of this mixt is not known . ACIDS : Vitriolic Nitrous , Vegetable * , and Urinous . With the phenomena , and by the means above described . ALKALIS ...
... mafs . PLATINA . A hard substance . COPALT . The particular nature and properties of this mixt is not known . ACIDS : Vitriolic Nitrous , Vegetable * , and Urinous . With the phenomena , and by the means above described . ALKALIS ...
Page 178
... mafs , hardly fufible . By deflagrating fulphur with lead . This in a native ftate forms the ore of lead called galena . COPPER . A black brittle mafs ; eafily fufed . By adding fulphur to red - hot copper , or ftratifying with fulphur ...
... mafs , hardly fufible . By deflagrating fulphur with lead . This in a native ftate forms the ore of lead called galena . COPPER . A black brittle mafs ; eafily fufed . By adding fulphur to red - hot copper , or ftratifying with fulphur ...
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Common terms and phrases
alembic alfo alkali alſo antimony aqua fortis arfenic becauſe body botany cafe calcined calix called calx clafs colour confiderable confifts contains copper corolla crucible cryftals cucurbit cupel degree denotes diffolved diftance diftillation earth effential faid faline falt fame fea-falt fecond fenfe feparate ferve feven feveral fhould fide fignifies filk filver fire firft firſt fituated fixed alkali fmall folution fome fometimes foon fouth fpecies fpirit ftate fubftances fubject fublimate fuch fufficient fufion fulphur fuppofed furnace genus glafs glaſs hath heat heraldry horfe iron itſelf kind lefs likewife liquor mafs matter melt mercury metal metalline miles moſt muſt natives of Britain neceffary nitre nitrous nitrous acid obferved occafion pafs perfon phlegm phlogifton prefent purpoſe quantity raiſed reafon regulus retort rife Scots law SEMI-METALS ſmall tartar thefe themſelves theſe thofe thoſe ufed ufually uſed vapours veffel vitriolic acid weft whofe zinc