-w 
c> 
• 4u '• Vf V 
•-> V. 
LEI K3H 
KNIFE 
MAKING. 
developed the fact that here the rejectage deposits 
abound' in abortive nuclei which were rejected because 
lacking In some of the qualities necessary to successful 
blade -making (fig. 50 . It was requisite that the material 
should be fine-grained, flawless, and uniform in texture; 
the shape had to be cylindrical, and it was essential 
that one end should be smoothly squared off, so that the 
flaking toolwould have exactly the proper surface for 
receiving the stroke or other form of impact required for 
removing the lon u sldender blades. Of course, the flake - 
knives were ot ade upon the quarry site, as the edges 
of the blades were so delicate that transportation would 
have subjected them to in jury i ore! ore, the selected 
nuclei were carried away and the knives made, and by 
expert workmen, whenever and wherever they wore required • 
