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 =~ _
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 =~ _