448 



ERECTION OF STRUCTURAL STEEL. 



CHAP. XIV. 



(c) &) 



BLOCK WITH SWIVEL HOOK BLOCK WITH SHACKLE 



STEEL SHEAVE BLOCKS FOR W/KE ROPE 



-Becket-' 



(e) (F) (g) 



WOODEN SHEAVE BLOCK WITH BECKET SNATCH BLOCKS WITH HOOKS 



(!) (j) Ck) (I) 



FALL LIHE BALL WEIGHTED SHEAVE STRAP SHEAVE BL OCKS 

 BLOCK 



FIG. 3. BLOCKS FOR HOISTING. 



