Xo./^X^f^^^ Bate /ii^. ly^f 



Shot tn—i^crTf/ f-^^'f 'I'i^A' A^A^* 



JVo, of fJiej'jri^meter ^PJt^/ f'r^r. ^ 



Corrected iemperatui'c 5 ^« ^ 

 Mr Bihrface Drift 



SOUNDING WIBE. 



DREDDK HOPE. 



IMJWX. 



PP. 



/ 



/JI-50 



0 

 100 

 300 



aoo 



400 



coo 

 600 

 700 

 8^)0 

 000 

 1000 

 1100 



vzm 



1800 

 1500 



woo 



1700 

 1^1 in 

 1IJ0U 

 2000 

 SlOO 

 2300 



3;i0(> 



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