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The sizing action of a coal-washing table

Performance of a pulsator-type coal-washing jig

Performance of a Baum-type coal-washing jig

Published Year

• 1920-1929 (1)
• 1930-1939 (2)

Subject

• Coal washing (3)
• Coal washing--Equipment and supplies (3) *
• Coal preparation (1)
• Coal washing--By-products (1)

Author

• Greer, M. R. (2)
• Yancey H. F. (2)
• Bird, Byron M. (1)
• Shinkoskey, R. E. (1)

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