67
NUMBER IN CLASS
TT-0¢-d
4+
27
ot—
0.03
+
'
0.13
}
'
0.23
+
t
0.33
+———+
0.43
i
+
0.53
+—lL—+
CLASS CENTERS, STANDARD DEVIATIONS IN cM2
FIGURE B-20-7
ERRORS ON CRYSTAL EFFECTIVE AREA MEASUREMENTS
(THEORETICAL AREA = 19 cm)
“a
se
=~
_