Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 249
1,900 X 15-1,900 X 22.5-950x30+ 7,000 X 30 = 0; or, ._, -1.900x7.5-1,900x15-1,900x22.5-950x30+7,600x30 ^= 15 = 7,600 pounds. Since the sign of Fj is plus, the stress in rh is tensile. 2C3 70 STATICS Kow lay olF KR to represent the value of the stress in l)just found, and then construct the polygon… … 1825 13 *■ ^K (3) F. ;oo351fcs. \\ (14) (13) \ (a^) \
Architecture · Building · Carpentry
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