Machine. Q Reel, 



$k*rt irr lead \$~ J^L*& 

 JBoHcm tfc^- tf 

 Bottom, tcinjiv.rninrr 



/T i» 1 3 / ~ 4^ 



Jfn, of Thermometer I - *e Cor. 

 ( 'arrrrh'tl tnibpvnifurv. t 

 Mr y*3 Surface ~~ - : ' Drift. 



SOUNDING WIRE. 



Tt'JtS-S. 



DREDGE ROPE. 





or. 





IK 







0 











h :• i 

 200 



















3CKJ 

 400 



















700 

 80O 



yoo 

 low 



















































1 100 











1 I'Oi > 











I^OO 











1400 











I5O0 











1O00 











1700 











1800 











f 900 











2000 











2100 











■ 











23°° 











2.t(K) 





