Cor. f ^ Dnpth .5^ 



Turns ' « 



Corrected iemp^fmluiiv 



Mr So ifiir/a(Hi V^* 



'Ji-awl or drtsd-fic — 



J>rifb 



DOWN!. 



K^y^ 



SOUNDING WIRE. 



UP. 







0 









900 

















Coo 





TOO 













TOW 





1 ffrm 



1 I.HM 









vyjQ 





UfjfCt 





rsDo 





ICOO 





l?nc> 







tVcM 



- ? 







aoC>0 





«100 









tfivO 







OREDOt ROPE. 



