I 



iOxuLor lead > C . 



fioffcm k v _ ' / 



Jtrrttnin temfmratiifH^ * 



Oorrcoted iernp^rature ") • 



Air Stcrfaw Drifi 



SOUNDING WIRE. 



Ul'. 



» ft'/l 



0 



IiXj 



*,'.«• 

 <<».o 

 700 

 Ai>. 



1300 



X$(X) 



tSoo 

 1900 



3O0O 

 31Q0 



aaoQ 



33UO 

 2400 



DREOQE ROPE. 



POWN. 



