"^^f fx^ee Machined / 

 funie S 7 V Cor. + ^ 7 ~ 



JJotLoiti trinpcra'ture 



21/ f/^^ ^a^. 



Corrected iemp^raMt're 

 Air El '- SiirfiWG A'*. - 



Trawl j^»^^4U4td0' V lA'fy^ yV^-rr-w^/ 



^fZ. SOUNDI NG WIRE . 



DOWN. 



o f > or 



.0 - . • , 



TURNS. 



DREDGE ROPE^_ 

 UK 



noWN^ 



(ill 



■rr. T 



/. ^-Jl. la 



