Solutions of Salts. 33 
of an Ounce, and fufficiently large for them 
to go eafily in and out. Such a Board will 
conveniently admit of twelve Rows, each 
Row having eight Holes. 
Being thus furnifhed with a Repofitory 
for your Collection, and provided with 
ninety-fix Phials of clear Glafs to place in 
thefe Holes, where they will (land in Order 
without Danger of tumbling down or be¬ 
ing otherwife difplaced, put into each Phial 
as much of any Salt or faline Subfirance, 
reduced to Powder, as you are certain will 
be fufficient to faturate about half the 
Quantity of Water it can contain ; for 5 tis 
belt to prepare no more at once, as thereby 
you will leave Room for making Mixtures 
and trying Experiments, which if the 
Bottles are quite full you cannot do fo well. 
Then with a Tea-fpoon, half fill your 
Phials with boiling Water, immerging them 
all the while up to the Neck in a Bafon 
of Water, likewife boiling hot *, and hold 
them there till the Salt is all difiolved, or 
you are fure the Water will difiolve no 
more. 
This done, fallen with fiifF Pafle a fmall 
Piece of Paper on the Side of each Phial 
near the Neck, that it may eafily be feen; 
having previoufly marked the Papers 1, 2, 
3 > 4 > 5 > in a numerical Order. Fit 
Cold Water or warm Water will do for Tome Sorts, but 
act Water does no Harm to any, and is beft for molt. 
Vo l. II. D ths 
