164 



EDITORIAL. 



Table I. 



Class of fiber. 



Break- 

 ins 

 strength 

 in kilos. 



Break- 



C1...S of fiber. ^j^J;;^^ 



1 in kilos. 



Mindoro machine-stripped.. 

 Do_ _ 



21.4 

 23.8 

 24.0 

 22. 6 

 "34.0 

 24.1 

 2.5.0 

 21.8 

 24.5 

 26.9 

 22.3 

 27.6 

 28.1 

 32.6 

 34.0 

 3.5.5 

 40.5 



Davao machine-stripped ■ 31.4 



do . SS-B 



Do 



do 



31.0 

 34.5 

 14.5 

 18. G 

 16 S 



Do - - 



Do 



Mindoro hand-stripped 



do - 



Do -. 



Do 



do 



Do. 



do 



14 1 



Do. 



. do_ ' "20.4 



do.. 1 14.5 



do 1 15.4 



do 1 14.1 



do . 12.7 



Do . 



Do 



Do 



Do .- 



Davao machine-stripped 



Do 



do 



do 



17.7 

 13.2 



Do 



do 



14.1 

 15.4 



Do 



do .... 









" Picked samples. 



The averages for the first series of tests are as folloivs: 



Class. 



Number 



of 

 determi- 

 nations. 



Break- 

 ing 

 strength 

 in kilos. 



Average 

 weight of 



10 fibers 

 in grams. 



Strength 



Xactor, 



X. 





13 

 13 

 9 



25.3 

 1.5.4 

 3.5.4 



0.a509 

 0.0510 

 0.0716 



50 

 30 

 48 









In the second series of tests each leaf was split into two parts, one- 

 half was stripped b}' machine and the other half by hand. This lot of 

 hemp was from Albay Province. The numbers opposite each other 

 represent the same leaf, and hence are comparable. The results are 



presented in Table II. 



Table II. 



Breaking 

 in k 



strength 

 ilos. 



Breaking strength 

 in kilos. 



Machine- 

 stripped. 



Hand- 

 stripped. 



Machine- 

 stripped. 



Hnnd- 

 Stripped. 



26.8 



11.4 



17.8 



11. S 



19.9 



14.0 



19.5 



10.9 



23.4 



14.4 



■ 21.8 



18.2 



22,3 



10.9 



20.9 



7.2 



21.0 



11.4 



27.3 



11.8 



23.1 



10.9 



16.8 



11.4 



26.4 

 19.1 

 16.8 



13.2 



8.6 



11.8 



16.8 



11. S 



«21.0 



'12.2 



15.0 



8.6 







« Averages. 



