5 6 MINER A.LOGICAL 
needles, was formed in the neck of the 
retort, and an impure dark grey cin¬ 
nabar was found adhering to the upper 
part of the retort, beneath the neck. 
(bj The fluid collected in the receiver 
weighed one dram, and was fimilar in 
all refpedts to the butyrum ftanni fumans 
Libavii. One drop of it added to a di¬ 
luted folution of gold, precipitated a 
purple powder. The above fluid was 
diluted with water, and the tin preci¬ 
pitated by fixed vegetable alkali. This 
very loofe white precipitate, wafhed, and 
dried, weighed 30 grains. 
(c) The fublimate colle&ed from the 
neck of the retort fa), was triturated 
and digefted with water, and filtred t 
the refiduum weighed, after having been 
dried, 203 grains. Thefe were diffolved 
again in aqua regia, excepting a refi¬ 
duum of 15 grains of fulphur: from this 
folution the mercury was precipitated 
in a metallic form by copper. The 
folution in water was precipitated by 
♦ k 
/ 
