FOREWORD 



The tables in this publication provide a rapid means of computing 

 the density and electrical conductivity of sea water on machine cal- 

 culators. Their accuracy is sufficient for many computations in 

 oceanographic work. Their usefulness is increased by the elimination 

 of multiple entries and interpolations comnnon to other tables used 

 in determining density and electrical conductivity. The investigator 

 who is interested in greater accuracy will have to resort to such 

 tables as are provided in Hydrographlc Office Publication Numbers 

 614, Processing Oceanographic Data, and 615, Tables for Sea Water 

 Density. 



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X y B. COCPmAN 

 V.,>taptain, U.S. Navy 

 Hydrographer 



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