r. 



i-ff. 



II 



t / Machine. Heel. 

 Twim* Co?^ , Depth j \ V 



Shot ov^hswfl 



Bottom t-ys+S a 'f , 

 Jjot,h)iti ir taper ainire ' ^ 



No. of thermometer J /j , Cor, " 0 -" 



Corrected temper aturG f &o ■ 



Air Surface - Drift 



Trawl or dredge * • &*-+tC4 



SOUNDING WIRE. 



r*ovv 



DREDGE ROPE. 



7 // 



0 



100 

 200 

 300 

 400 



000 



{?io 



800 



wo 

 f 



1100 

 1200 

 1300 

 1400 

 1500 

 1000 

 1700 

 1BU0 

 1000 

 2000 

 2100 

 2200 



2im 



2-100 



§ // 



33 3 



