1910. ] The Wave-making Resistance of Ships. 205 
160] (140 LZ LZ 
em AR a 
160 140 va 
asa Figure 3 : : 4 
=- 120 | 
R LBS PER TON 
3 
8 
7: 
= 
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LE FOR 
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ry | OSca 
5. The curves in the previous sections have been examined chiefly from a 
theoretical point of view, that is, with the object of testing in these cases 
the general adequacy of a certain type of simple equivalent pressure 
distribution. One might try also to classify the coefficients of the formula, 
so as to obtain empirical expressions for them in relation to the form of 
77 
