CAMBKIA STEEL. 



DOOR-SPREADER. 



0. 250 



WT. 19.8LBS. 



* 41-- 



i* -35-'- *i i 



CRANE RAIL. 



NQ.539 . 



WT. 50 LBS^PER FOOT) 



H 3F- H*~li=H 



METHOD OF INCREASING SECTIONAL AREA. 



