PRINCIPLES OF DESIGN. 



61 



practice in the course of Mr. Dearlove's long and unique 

 experience in the design and laying of submarine cables. 



0-6 07 0-8 .0-9 1-0 1-1 1-2 1-3 1-4 1*5 



Ratios of Weights oj Copper to Gutta-Percha. 



1-6 



Fig. 33. — Curves showing the kr per Naut in Relation to Various 

 Weights of Copper and Gutta-Percha at 40°F. 



So far the weight and resistance of the conductor to meet 

 the electrical conditions have alone been considered. Its form 

 from the mechanical point of view is also of great importance. 



