Now 
1 
Oe ar aie n 1 
GD | DIe 
and A 
1 
ae 1+e, n(1+e,) 1 
ite (n=l) toa 
Let us take two extreme cases: 1. the case that ¢, and e, —0; 
Crate n'e, l 
De CAS INL ee ee 
KU: 
(n—1)?x (n—l}1 
1 
In the first case B == A, and so B= 5? or it must be possible to 
ee | n? 1 
find real values for « from the equation : ln en 
(n—1)?ae  (n—1)?1—a 
which values must, moreover, lie between the limiting values of 2, 
in this ease «—0 and «—1. For the roots to be real 
yas 
1 must be > 
or 
ntl 
a 0 ve 
Ol 
V3+1. 
hee = Vak 
if the sign > is changed into =, there is only one root at 
a, 
Die 3 n 1 v P 
p= — and 1—z= Ws So for n about 3.75 x will be 
n—l n—l 
if 
=S 3) ioe BRE if ¢, =e, = 0. Then the closed curve touches the 
curve 7). in the Zw-projection. But then the Jower branch of the 
Tv-line will have descended to 7’—0O. Then we have to expect 
fig. 40, however with this modification that P,, lies at a height = 0 
and the three-phase-pressure is already found at all low temperatures. 
en Sn 
(n-1)? 2 (n-1)? le ~ 
In the second case, in which the supposition 
Vv 
however, involves the assumption that the point for which re 
