TABLES. 



137 



s 



1 i 



s as co as 4)i *- e* 



O5 C<1 05 N \O OS 1- 



+ + + + + + + 





l 



ss 



. 



0+ + + 



+** 



within about om 

 alue of the heat 



12 



s 



!! 



Illllll 



* as 



l 



ill! "fraiijiirj 



gzlg SS 3 ===t|a &J 



