55 



SAMl'IJ-: KECORDS OF TESTS. 

 CUOSS BREAKING TEST. 



(IIG. 

 Mark, •' 1. White piuo. 



Li'iifith, (iO.O inclu's. 

 Hi'i>ilit, :!.7I iiiilics. 

 Kioadtli, ;i.l~> inches. 



Strengtli of extreme fiber, 



\vheie/=^-— - = ,-j,6G0 )).>iiii<ls per square inch. 

 Mc.ilnlns of ehistioity = 1.3L>n.(Mi(i immim.In per K.iiiaie inch 



total rrsilienei. -= H, lilo ir>rh.i,.Mi.„ls. El. Kes.. .550. 



KesilLi-Hce, per ciibw i[i(li = t.U iiieh-pouiuls. El. Ues 0-) 



fXinnlifr :iriiiu:il riii^s piii- inch = 19. 



X>ef lection, in, incJies 



