=3^ ^ 



Mfirhinc. ttrt'f, 



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i J id torn ^-^ r ^J^^ S^-^^. 0^. 



JioUoni> tcfuperaiwrV' • ' ' jf _ ■* 



wVw. oy* Thermometer ^ / ^ 



.if//' 



.1- ^ 



Surface 



Trawl or dnulga or tam^lr.'} 



SOUNDING WIRE. 



J' 



(W.H ♦ 



ItKJO 

 I 1 1 ITI 



I {I « I 

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17C1O 



