6 L 2 Mr. woulfe’s Experiments to afcertain 
evaporated to drynefs, and freed from its fal diureticus by 
three lotions with rectified fpirit of wine. The neutral lalt 
here remaining was diffolved in a fmall portion of diftilled 
water, then filtered and put into a wine-glafs, covered 
with filtering paper, to keep out the duft. In about three 
months it was quite dry, and confifted of fmall, fiat, 
cubical cryfials of regenerated fea-falt, which altogether 
weighed fifty-five grains. 
EXPERIMENT II. 
Two drams of the precipitate of lilver, by tartar of 
vitriol [b~\, treated as in the firft experiment, produced 
one dram and feven grains of brown tartar of vitriol. 
EXPERIMENT III. 
Two drams of precipitate of lead, by tartar of vitriol 
[c], treated as in the firft experiment, produced one dram 
and five grains of brown tartar of vitriol. 
EXPERIMENT IV. 
Two drams of precipitate of lead, by fea-falt [d\ 
afforded one dram and one grain of cubical cryftals of 
regenerated fea-falt. 
EXPERIMENT V. 
Two drams of mercurius dulcis , treated in the like 
manner, produced thirty-eight grains of cubical cryftals 
of regenerated fea-falt. 
e x P E- 
