Twrne ' / ^ Cor, -f- A 

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Roliom temperthttir& 5* * 



JVb. o/ Utemvorn tder '^^ J 

 Corrected ti}fnperatiu>re ^ h*s^^ 

 Air 7/ * 6W/'»c<i 1 



Cor. '(J«^ 



SOUNDING WIRE. 



DOWK. 



TW 



I loj 



1 -i^M 

 I j<jni 



I7C« 



3100 

 2300 

 2300 

 2400 



/ •^ DRED GE ROP^/ 



DOWN. 



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t 6/1 



