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- ' Date Jl' »' 



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Machine, 



Tiii'ti.^ , Cor. » i>iy>^/fc 5^ 



JJottom tentperaUera *> i?^ 

 JVo. th-ermometisr .jV? "7 ^ / 

 Oorraa^d teinporatUtra 

 Mr ' o Surfaoe *^ f 



.SOUNDING WIRE. 



0 



JOO 



.!«) 



lOQA 

 1460' 



1806 



DREDGE ROPE. 



