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Used to improve coal quality by reducing the ash.

37. Jeffrey Baum Jig at Jamison No. 9

IDNO:
003332
Title:
Jeffrey Baum Jig at Jamison No. 9
Date:
1954/10/05
Description:
Used to improve coal quality by reducing the ash.

38. Flat Bed with Water, Pittsburgh Consolidation Coal Company

IDNO:
003333
Title:
Flat Bed with Water, Pittsburgh Consolidation Coal Company

39. Washing Coal with the Chance Cone System, Williams Preparation Plant, Pittsburgh Consolidation Coal Company

IDNO:
003334
Title:
Washing Coal with the Chance Cone System, Williams Preparation Plant, Pittsburgh Consolidation Coal Company

40. Loading Coal at a Coal Preparation Plant

IDNO:
003335
Title:
Loading Coal at a Coal Preparation Plant
'On the top level of the heat drier building showing, from left to right, the motors, blowers and tops of the cyclones. The vertical tubes are exhaust stacks for the waste heating gases and moisture. The driers themselves are long, vertical tubes, located beneath this deck. A blast of hot gasses dries the coal and the cyclones then separate the coal from the waste gasses and moisture. Purpose of the drying operation is to reduce the moisture acquired in coal washing, 'or from the atmosphere during storage on the stock pile', and provide the processing plant with a uniform charge material.

41. Heat Drier Building

IDNO:
003336
Title:
Heat Drier Building
Description:
'On the top level of the heat drier building showing, from left to right, the motors, blowers and tops of the cyclones. The vertical tubes are exhaust stacks for the waste heating gases and moisture. The driers themselves are long, vertical tubes, located beneath this deck. A blast of hot gasses dries the coal and the cyclones then separate the coal from the waste gasses and moisture. Purpose of the drying operation is to reduce the moisture acquired in coal washing, 'or from the atmosphere during storage on the stock pile', and provide the processing plant with a uniform charge material.

42. Loading Minus 5 Inch Coal at Williams Preparation Plant

IDNO:
003337
Title:
Loading Minus 5 Inch Coal at Williams Preparation Plant

43. Welder at Work Above a Loading Boom in a Preparation Plant

IDNO:
003338
Title:
Welder at Work Above a Loading Boom in a Preparation Plant

44. Coal Conveyors in Action at Arkwright

IDNO:
003339
Title:
Coal Conveyors in Action at Arkwright

45. Coal Being Processed at Champion Cleaning Plant

IDNO:
003340
Title:
Coal Being Processed at Champion Cleaning Plant
Date:
1929/02/18
'This enclosed raw coal conveyor belt starts the coal on its journey through the Georgetown Preparation Belt. The belt is 641 feet long and moves at a speed of just above 10 miles per hour. The coal is taken to the top of the plant, where it is given a preliminary sorting by size and then sent through one of the three cleaning circuits incorporated in the preparation system.'

46. Raw Coal Conveyor Belt at Georgetown Preparation Plant

IDNO:
003341
Title:
Raw Coal Conveyor Belt at Georgetown Preparation Plant
Description:
'This enclosed raw coal conveyor belt starts the coal on its journey through the Georgetown Preparation Belt. The belt is 641 feet long and moves at a speed of just above 10 miles per hour. The coal is taken to the top of the plant, where it is given a preliminary sorting by size and then sent through one of the three cleaning circuits incorporated in the preparation system.'

47. Coal Cars at Lochgelly Mine

IDNO:
003342
Title:
Coal Cars at Lochgelly Mine
Date:
1952/04/20
Coal moves across the main shaker screen.

48. Main Shaker Screen and Step Plate

IDNO:
003343
Title:
Main Shaker Screen and Step Plate
Description:
Coal moves across the main shaker screen.