Machine, Hev.l. 

 THrm'^7'^^orA " - ' Depict. 



0 /a 



JtnHam tempcrfitum 

 Cffrrcctcd iemp^ratuji^ 



Cur. 



DH/t 



SOUNDING WIRE. 



UP. 



6.3 0 



SI. ^sr 



TUKNti. 



3O0 



fiiO 

 H(x* 

 t)00 



I i-t 



i yp} 

 >.yxj 



1600 



1800 . 



JH>) 

 230O 

 2300 



DREDGE ROPE. 



0 I 



