.Aw. 



Ihilv 



Machine. J{eel. 

 TuriiB jy J" Cbr. i ^ t_ ln/dh 



Xknb-ftr* lead J 'J 



Bottom & V .X 



Bottom tenipcratUi'e 4. £ 



.AV«. Thermometer . f Cfer. - 



Cot'i'tn'tnt IrtUfn mitt r* 

 Jir / $ Siu fnvr. / . 



2±H^-rrr^Ti*r~ittJ* tangles *C 



SOUNDING WIRE. 



TURNS, 



400 

 500 

 600 

 700 

 boo 

 ytio 

 1000 

 I irx) 



two 



1300 

 J 400 

 1500 

 l6oo 

 1700 

 1800 

 1900 

 •jo. -u 



27t*J 

 3300 

 2400 



Vr 



DREDGE ROPE. 



7 _i 



/ 



