( 903 ) 
the last-mentioned. As is known from the properties of mixtures 
with minimum 7%, the point P lies at a value of z for which 
l da 2 1 db 
ade 3b de 
It is true that I have shown before that if we also 
2 
take the variability of 6 with v into account, the factor — must be: 
increased. But for our investigation for which we do not lay claim 
to quantitative aceuracy, this is not essential. Let us now also draw 
the loeus of the points where the binodal line is intersected by 
d? . 
(=) = 0. At very low temperatures, when v is almost equal to 4, 
a ; 
P 
dv oh bek CE 
the loop of in 0 is either contracted to a single point or has 
Lv p 
disappeared altogether, as will be the case if 4 is a quadratic function. 
But if it originates, it takes place in the neighbourhood of a point 
of PA. Therefore | have made the dotted line which is the locus 
ahh _, (dv : . 
of the points in which (=) = 0 intersects the binodal line, start 
ax Pp : 
in a point of PA. As may be supposed as known, it also passes 
through P. That this locus before arriving at P, would also intersect: 
