Li 



Machine 

 Turns *f L Cor. + / 

 ghothor lead ;,' r> 

 Bottom 



j, stSb&* ~vW~oi A%?\4 p^a-m^i 



Bottom te7riperaAtfr&f-.jr/ pri*^** 

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Corrected temperature • j >, ,y 

 dfijg lf(o shfgafb 5**! Drift 



SOUNDING WIRE, 



hows, 



-joo 

 500 



MA 



1 



671 



V IOOO 



TURNS. 



So 

 7^ 



800 



1100 



1200 



/ 1700 



lc/X> 

 WOO 

 '.'TOO 

 3 200 

 23OO 

 2400 



DRED GE Ft OPT, 



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