AGE OF MACHINERY 



501 



Fia. 38 la. Rotary Hook, First 

 Stage in Stitching. 



tour or HOOK ^S~^4/ J 

 FIG. 3846. Second Stage. 



MUTING HOOK 



FIG. 384c. Third Stage. 



7 



FIG. 384d. Stitch completed. 



