181 
p. 56) we see also five (0,00010 n. HCI, 0,00025 n. KOH, 
0,00045 n. KOH, 0,00065 n. KOH for the upper part and 
0,00085 n. KOH for the lower part and with 0,00115 n. 
KOH), when we accept at least, that the lower part can 
D EURE 
LASER ES 
(re VE 
ee 
aa Qi 
‘U10000'0 
be fitted close to the upper part by a removal in a ver- 
tical and horizontal direction. With KNO), (fig. 5) it seems 
at first as if we have to deal with one broad maximum. 
If we look closer and pay also attention to the lines 
which connect the limiting concentrations, then there are 
also indications for five tops (with 0,00010 n. HNO,;, 
