l.i\ B-LOAD STHI *S1 - 



to pass through zero, and tW tin- p<iti<>n o( loading select 

 from Table 2 the corresponding values of M 4 and Mi. At 



VARIOUS CONSTRUCTIONS USED TO FIND NEUTRAL POINTS IN PRATT TRUSSES. 



\... 1 



U, U. U, U 4 U 



the same time tabulate the length L\ of loading cau-inii 

 maximum stress as thi< value- is used in the impact formula 



