Notes
From Top: 1. Lyfkin No. 74B 4-36 Pat. Jan 27,1925; 2. Lufkin No. 74C Pat. Jan 27,1925 (1961); 3. Godell - Pratt No. 315; 4. Standard Tool 4-40; 5. B. D. & Co. BritishbAss. Standard; 6. Witworth 55 Degree Standard Screw Gage Made in Germany (1928); 7. The Blodgett Mfg. Co. Rochester, NY. V-Thread 8-72; 8. Unknown Haerd Rubber Case 10-48; 9. The Blodgett Mfg. Co. Rochester, NY. Screw Pitch Gauge 8-72, Steel Wire & Twist Drill Gauge, Screw Gauge,
U.S. Tap-Drills.:: 10. Moore & Wright, England V-Type 4-60.