face was eafily enough diftinguiftable from that of the Oil.Thefe 
larger portions of immers'd Water, being aliwoft wholly invi- 
ron'd wich the other Liquor , were by it reduc'd into a round 
figure, which was ordinarily fomewhac Ellifticd ^ but more de- 
prefs'd in the middle than that figure requires. But all this is 
to be underftood of thofe portions of Water, that touched 
only the Oil and the Air: for thofe that touched one another 
without mingling , and much more thofe that adhered more or 
lefsto [he fidesof the Glafs, had their furfacestoo d\&x\v\^y 
and irregularly figured to be here attempted to be defcri- 
bed. 
^sfov iht SuperfictAl figure of WaHr, contiguous, both above 
and beneath, to other FluUs , and lacerally to fome 
Solid body, 'cis not fo eafie to be fure, which of the Exp. XIXo 
contiguous Liquors is of moft force to deteriBine the 
figuration of their conmou fuperficifs or Commifftsre, But how- 
ever I fliall relate, that, having into a flender Pipe of that 
fort that has been defcrib'd before , put a little Oil of Cloves.^ 
and upon this fome 0//i?/' Turpentme^ that fo the Water might 
both above and beneath be touched heterogi^neeus hiquori^ 
I obferv'd uotthtOilof C^x/^/ to beyery ^anifeftly tumid 
at the top, nor the tower furface of 'the 0/7 of turfemine ( for 
the upper was Concave) to be very Convex ; for fomewhat con- 
vex it w^as, downwards. And from this 'twill be eafie to con* 
clude,the jSg^r^ of rheCy lihdrical |)br^i6n of Water intercepted 
between ihefe two Oils. ' ;^ 
That Agent or force, whatever k be, that keeps Liquorf 
fimd^ does likewift, whilft they arc fo, keep ihtlv Jurfaces ex- 
ceeding fmooth, when they are contiguous to the Airandotlier 
Fluids. Butbecaufe I thought It doubtful, whether even thofe 
Liquors that are (as Men ufually fpeak) mturally fluid , I mean, 
fbch' as are not made fo by fufion , producied in them by the 
^aion of the Fire, wonld retain fmQOth furfaces when they 
have loft th^u fluidity, and have their parts' no Ibnger infiefted 
ai)d agitated,fo as to enable them theh^lppf Gravity ., Vif 
cWiers furfac^S) af it may be ghefid in theirfluid ftate tfiey did; 
