< 



Machine, lieiU, 

 Tusi'iis Cor. 4 _ V T>(f/M 



SkuL or lead ; 

 JJoUom 



JioUom itmpcratavc 



J^'o, of Th f^nnomattit* Cor. • 



Corrected fcm/)crature 



' Surface,. Drift. 



Trawl oiuJij:sdj^cj)rJ>QJi4Utt 



SOUNDING WIRE. 





DREDGE ROPE. 









Itl'. 

















aoti 



va/n 

 •J 











500 











6OH 











7n«i 











.S(3CI 































1 1 CM 1 











1 J*>. 











) 









I 



1 1'"' 











Ijf-JO 









lOoo 











i7rK) 











1 ■• 1 ) 











H>tKl 







■■ 















.■ J ' ^ 1 











2200 







1 





' iCMJ 

















