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1. Loading Machine Discharges Coal into Shuttle Car

J.P. McGee, Acting Research Director, and Jack Smith, in Charge of the Gas Turbine Development Project discuss proper positioning of the turbine rotor in its casing.

2. Proper Positioning of the Turbine Rotor in Its Casing

3. Miner Testing for Gas at Consol. No. 32 Mine

4. Miner Testing for Gas in Jamison No. 9 Mine

5. Coal on Belt at Jamison Coal Mine No. 9

6. Coal Shuttle Car in Jamison Coal Mine No. 9

Large chunks of coal piled below the seam.

7. Shot Down Coal at Jamison Coal Mine No. 9

8. Interior of Jamison Coal Mine No. 9

9. Inter-Floor Lift at Jamison Mine No. 9

Looking down a mine shaft.

10. Interior of New England Coal Mine

Miners talking while others run drilling equipment.

11. Miners and Equipment Inside a Coal Mine

Mine car traveling through the mine.

12. Mine Car

13. Area Worked by Coal Cutters

14. ITE Circuit Breaker at Jamison Mine No. 9

15. Track Inside Jamison No. 9 Coal Mine

Coal car tracks inside of the mine.

16. Tracks in an Underground Mine

'This miner has just completed loading a mine car of weighing net about two and one-half tons, and is waiting for a locomotive to come along and take it out and give him another empty car. An industrious miner will load about six and sometimes eight of these cars in one day. This is a wooden mine car that is now being rapidly replaced by steel mine car equipment. The number of post shown in this picture indicate again the immense amount of timber required to conduct operations in a safe manner.'

17. Loaded Mine Car

18. 2200 Volt Junction Box at Jamison Coal Mine No. 9

Jamison No. 9 Mine shaft with a tensioning device on a cable.

19. Rock Dusted Mine Shaft at Jamison No. 9

20. Underground Electric Power Center Control Board at Jamison Coal Mine No. 9.

Notice the preparatory cut and the 3 charge-holes near floor of the mine.

21. Coal Nearly Ready to be Shot Down

22. Miners Work on a Loading Machine Inside a Mine

'All white oak mines work the same seam of coal, viz: Sewall. THe face of one of the working places or rooms is shown in this picture. The coal averages about 48 to 50 inches in thickness. This working place is now ready to be cut by the undercutting machine, so it can be shot down be the miner and loaded into cars for transportation to the tipple. The white line on the roof in this picture is the center line of the room set by the engineers to guide the men operating the mining machine in driving the room straight.'

23. Sewall Coal Seam Worked by the New River Coal Company

Miners and filled coal cars inside a mine.

24. Interior of a Coal Mine

Miner works on pile of shot down coal.

25. Shot Down Coal at Jamison Coal Mine No. 9

Print possibly overexposed.

26. Area worked by Coal Cutters

27. Electric Cable Reel and Joy Shuttle Car with Road Drag at Jamison No. 9 Mine

28. Electric Shuttle Car at Jamison Coal Mine No. 9

29. Coal Shuttle in Jamison Mine No. 9

'Note the wooden mine car. It is of the Barnestown shaft which was the first shaft, of 100 feet in depth, in the valley.'

30. Miners at Work

Mechanic's pit provides location to work on mine haulage equipment;

31. Underground Mechanic's Pit at Jamison Coal Mine No. 9.

32. 20 Ton Bethehem Cars at Jamison No. 9 Mine, Stonega Coke and Coal Company

Two miners operating a loading machine.

33. Miners Operating a Loading Machine

Continuous mining machine at work.

34. Continuous Miner in a Tunnel Approximately 4 Feet High

Overcast, where two air currents cross in a mine, at the Jamison Mine No. 9 shaft bottom.

35. Overcast in Jamison No. 9 Mine Shaft Bottom

36. Miner in a Shuttle Car