28o 



Report S.A.A. Advancement of Science. 

 Fig. A. 



S^r/ace. /l/u/nbers A/cy^T7j?e/r3 /7e5s 



S^ 



200 



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500 



S2S 



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zo/ 



20: 



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 20s a. 



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/2dO-/360 



Pf-^O 



206l 



206^ 

 ZOJ 

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2SO 



400 



3a3 a/A 



5/7a/e 



Afe/c7p/fyre 



660 



Quar/j/Ze 



/S20 

 /S60 



/&40 



2/60 



( 



2470 



2SOO 



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222 



20ff cc 



22s 



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2086 



203 



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 209 ^ 



V 222-^ 



209^ 

 222<= 



Z20 



2/S 

 224c6 



amifgc/a/o/c/ 



7n<y- 



/070 



ZO 



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JO 





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