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1. Coal Analysis Lab Equipment

2. Technician at Work in the Pocahontas Coal Laboratory

Four men working in the Pocahontas Fuel Company laboratory.

3. Pocahontas Fuel Company Laboratory

Mine worker examining main control panel, Williams, May 15, 1953.

4. Main Control Panel for Modern High Capacity Preparation Plant

5. Interior of a Coal Laboratory

6. Coal Lab Equipment at the Arkwright Laboratory

7. Pocahontas Coal Company Laboratory Technician at Work

8. Coal Lab Equipment at the Arkwright Laboratory

9. Coal Testing Oven, Probably at the Arkwright Laboratory

Hewittic Rectifier changes AC to DC current.

10. Hewittic Rectifier at Jamison Coal Mine No. 9 Laboratory

11. Coal Lab Equipment at the Arkwright Laboratory

12. On the Phone at the Arkwright Laboratory

13. Equipment in a Coal Laboratory

Hewittic Rectifier changes AC to DC current.

14. Hewittic Rectifier at Jamison Coal Mine No. 9 Laboratory

15. Coal Analysis Lab Equipment

16. Oven in a Coal Analysis Lab, Probably Arkwright Laboratory

17. Coal Laboratory Worker on the Telephone

18. Equipment in a Coal Laboratory

19. Interior of a Coal Lab, Probably Arkwright Laboratory.

20. Coal Laboratory Building

21. Technician Working in an Unidentified Coal Laboratory

22. Temco Brand Equipment in a Coal Laboratory

23. Coal Lab Equipment at the Arkwright Laboratory

24. Equipment in a Coal Laboratory