CYCLOGRAM ANALYSIS 



31 



;i90o 



N.Syears 



(a) Curve, 10 year test 

 (CJ Curve, il.Syeantest 



(b) 



Fig. 14 — a. Summation (integration) curve of sunspot numbers at 10.0 years. 



b. Graphic representation of integration table. 



c. Summation curve at 11.5 years. 



Table 1 



