° 公 11 d the stress on the strut between pe*lest ils we mu.^t employ Equations 5 
11 び Chapter IX., ancl a.lopt the greater of the two stresses tlms found. 
Poi 5, we have 
310x21 
W n 
G 
2UU0 
TR0x21 
•ZvJUU 
3.255 tons, 
.89 tour, 
1480 
^Üüü 
"• 4 
= 0.715 
800 
2U)Ü 
0.15 ton. 
g gives 
C n — ~-x 3 255 + 
x 1.89- 
10« 
— iü 
( 0.71 厂)— 0.，) 00 厂 1 1 . 1 5C) tons. 
For %• 6 we l ave 
jyf __ 4>U) x 21 
2(), 0 
120x21 
2000 
(p — 1 1 50 _j_ 1 4 30 
2()00 
and G> 
810 
200 () 
U2 ton r , 
1 .2 > tonp ; 
= l.*29 tons, 
0.155 ton 
— 161 
n - 
= 8 
W 二 
= 2.52 
WV 
= 2.10 
w _ 
= 0；315 
n 
W 
— sec 6 ~ 
n 
= 0.5764 
W t Hec 6 = 
= 3.843 
Using the formulas of Chapter IX. or employing Table V. we can calculate the 
esses on the lower lateral rods and all the lower lateral struts except; those between 
le P e( ^st：ils, ami enter thorn upon t-ie following diagram 
•J/f CD — 、 寸—が 
