Set of 4 Drill Index Cards
 
Used-Very Good Condition, this set includes Winslow Drill Point Grinders Decimal Equiv,, Teledyne Firth Sterling Grade Comparison Chart, Ingersol Hardness Conversions, Norton Company Calculator for Grinding & Polishing Wheel Speeds, all appear in very good to almost like new 
 
See pictures 
 
Approximately Each Cards 3" x 6.5" 
 
-shipping & pick up is available 
-sales tax applied at sale  
 
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