454 



ERECTION OF STRUCTURAL STEEL. 



CHAP. XIV. 



f/4 for%"rivet- rj For privet ,' f 4" for %" rivets- fj~ 6 



y/ifforj "rivet-]^" for %' rivet- *-!% for %" rivets /.-^ 



^-:::v;_^ I K [o|:^:^"v.p f 



7*c " . 



/g ror-4 rivets 

 f or %" rivets- 



>J | d " \ /'#' 

 DOLLY 



~\ i f >t tl 



I v i 2: 6 



STRAIGHT DOLLY 



0/am- of cup for privet- /%, for^-IJt rf for% "rivet, t Jvrf* ,Q'> 



Depth of cup for% "rivet" j^', forj ff ~ j" / f'jg for% rivet, ? for i / ^r 



30" 



Goose NECK DOLLY 



rt 



% "for? rivets J^f' P "~*!+->4 "to 8" 



Ljjiv 



~j f \9 



HEEL DOLLY 



REAMER WRENCH *~* 5/vz? 



FIG. 9. TOOLS FOR STEEL ERECTION. AMERICAN BRIDGE COMPANY. 



