456 



ERECTION OF STRUCTURAL STEEL. 



CHAP. XIV. 



/3* 



u/ ,7 (Hardened Steel Point 

 I fj 



* 



IL "t- - =H-- ----^ %iV ~i 



'4 -^-l-yd :: o r --. . . *> 



yf/K/fj- CLAMP HOOK 



BLACKSMITH'S TOOLS 



OLD MAN 



>r' S"'f^ 



yl' ~*' 

 RIVET PITCHING TONGS * RIVET STICKING TONGS 



,* CORRUGATED IRON TOOLS 



02 







CORRUGATED IRON PUNCH 



c 



,j." 



"ii" 



CORRUGATED IRON HAMMER 



CORRUGATED IRON RIVET SET 

 -'? /'2" 



i i ' 



T.5 D 



CORRUGATED IRON DOLLY 



CORRUGATED IRON SHEARS 



FIG. ii. TOOLS FOR STEEL ERECTION. AMERICAN BRIDGE COMPANY. 



