514 MAGNETIC INTENSITY. 



2?; 

 >a 



o a. 



51 



CO 

 CO 



01 B 



C7) 











co" 



CO 









o 





CO 





CO 









CO 



CO 





CO 



CO 



c-o 















o 



CO 



1> 







CO 



l> 



1^ 





Therm. 



o OrHioi-^'-'c»'-'aii>r^co-i-Ti- 



CO CO 00 00 O) Oi 0500 l-^CO CO CO 



Chron.'s 

 Rate. 



d c^^ q^co^co^co 00^ ff) d o o q_ 

 1 1 1 1 1 1 1 1 1 1 + + + 



Time. 



ff) OCO ^ COThCOCiCO-H oco o 



• '-t. '-5 ^ ^^^^ ^ ^ >-<^ c» CO 

 co^co" o to CO c-f r^co" r^oo^oo'^co" 

 r^i>t^i^o o o o cocojr^t^jt^ 



lOiOOOCOCOCOCO l^I^l:^X>t^ 



Date. 





o 







lambm 



: Prayj 



jeira .. 





o 









H 



■5 



o 

 S 

 >^ 



