



2JOO 











s6oo 



y f i 









3700 











2800 





1 















3000 











3JOO 











yioa 



■ i 







3300 











34<*' 









3 5<M 





7a— 







3600 











3700 











3800 



















4000 







SI- RIAL TEMPERATURES. 



depth* 



TKMPi 



NO. OF THKK* 



cox, 



COR. TEMP. 



=5 











50 











100 











200 











30a 











400 











50O 











Goo 











70a 



^ 









800 







90a 













" — " ' 















- — . 





REM A R KS ; 



