332 



The Philippine Journal of Science 







8 ^ 



il 

 3| 



Per cent. 



36 

 10 

 9 



1 



2- 



< 



Feet. 



6,800 

 24,800 

 36, 700 



Meters. 



1,770 

 7,540 

 11,200 



if 



(to 



Pounds 

 per sq. in. 



1,670 

 9.620 

 12,200 



Kilos 



per sq. 



cm. 



110 

 670 

 866 



Average break- 

 ing load. 



1 



Kilos. Pounds. 



144 1 318 

 368 1 790 

 668 1,448 







True mean area of 



transverse rope 



section. 



» d o o 



.^^"^ 



Sq. mm. 



131 

 63.6 

 76.9 



Average 



diameter of 



rope based 



on a circle 



havingacir- 



cumference 



equal to 



girth of 



rope. 



0.66 

 0.33 

 0.39 



1 3 « » 



rage 

 or pe- 

 er, of 



pe. 



in. 



1.73 

 1.02 

 1.22 



Ave 



girth, 



rimel 



ro 



g s § s 

 g 





1 



1 Coir rope madeof machine-cleaned fiber obtained 



] from Laguna husks'" 



j Rope made of "G" grade abacfic 



1 Rope madeof "P" grade abacdd 



o B 9 



s s § 



o a o 



^ So a 



2 > X 



lies 



e 





V 





s: 



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3 



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s, 



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dl 



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