DETAILS OF COLUMNS. 



_ 



U --- w 



Web 

 Covers 

 Anyfes 



.12" \ \ /Of 



M -M K--- f * 



I8" if Web 14" and I?" Web 10" f 

 18" Covers /4" Covers 12" 



8"*8" Angles 6"*6"an(f 6*4" Angles 5*3? 



FIG. 10. DETAILS OF COLUMNS. AMERICAN BRIDGE COMPANY. 



