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1. 1,000,000 lb. capacity horizontal tensile machine

2. 2,400,000 lbs. capacity tension-compression testing machine

3. 2,400,000-lb hydraulic tension-compression testing machine

4. Amsler 50,000, universal testing machine with autographic recorder

5. General view of physical testing laboratory

6. Induction heating high temp, bldg 39

7. Physical testing laboratory

8. Sellers-Emery 100000, universal horizontal testing machine

9. Test lab machine shop

10. Test lab machine shop

11. Typical instrumented test model

12. United States Testing Machine designed by A.H. Emery, 1875

13. Close up of fatigue test set up

14. Dr. Ernest Abrahamson conducting transmission electron microscopy

15. Experimental stress analysis of corrugated missile sheet

16. Overall view of fatigue crack propagation test

17. Test specimen shop

18. 16" Barbette carriage, recoil pull back testing devise

19. 76 MM gun tube burst by hydraulic pressure

20. 76 MM gun tube prior to test