r.v.7 



No. £ U U<3 lh,ir 



\ ^7. t Machine. Repl. 



Turns v \.; g Cor. + J 

 tSk*4<~or lead 

 Bottom 



JhMnm IcHt/H'tUlfui'i! y 



No. of Tlunnonn trr ' y 

 Corrected temperature t+ 1 



. tir ' . Surfttce ~~ 



Trnii'l >w ih-fi "f irrtt'jh k s 



SOUNOING WIRE. 



i r. 



TOR* .. 



40a 



600 

 700 



Hjt,<>-> 



1 100 



J 200 



I jOO 

 J.fOO 



155 



1 ' m !•; j 

 I JOO 



IfJOO 

 20OO 

 2IOO 



/),/,/// 



Ihij'i. 



DREDGE ROPE. 



