COMPARATIVE SPINNIlNrG TESTS. 



19 



portionately less wasty than the three bales of Sakellaridis from 

 Alexandria, Egypt. 



There was no relation in tfie price of the different kinds of cotton to 

 the percentages of waste discarded in the manufacturing processes. 

 The reverse condition developed, namely, Arizona-Egyptian cotton 

 was estimated to be lower in commercial value than Sea Island, and 

 Sea Island to be lower than Sakellaridis, when comparing equivalent 

 grades. 



There was no significant relationship between the tensile strength 

 of the respective grades of Arizona-Egyptian cotton. 



The difference in the tensile strength of yarn made from the three 



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Fig. 2. — Comparison of the prices of raw cotton, waste discarded in the manufacturing processes, and the 

 tensile strength of the yarn in pounds per skein of 120 yards each for Arizona-Egyptian, Sea Island, and 

 Sakellaridis Egyptian cottons. 



(The figures at the left indicate the cents per pound for the price, percentage for the waste, and pounds 

 per skein for the breaking strength.) 



kinds of cotton was practically negligible. Considerable deviation 

 occurred varying slightly in favor of first one kind and then another, 

 but, as a whole, resulting somewhat in favor of the Sakellaridis 

 Egyptian cotton, with the Sea Island coming second. However, the 

 tensile strength for the highest numbers of yarn was in favor of the 

 Sea Island cotton. 



Figure 2 presents graphically the comparative prices of the three 

 kinds of cotton, the percentages of waste of each kind discarded in 

 the manufacturing processes, and the tensile strengths of the yarn 

 made from them. The graph is arranged for comparing the grades 

 that are practically equivalent. The table at the bottom of this 

 graph gives the figures referred to which are taken from previous 



