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Breaking coal with airdox

Two devices to prevent electric arcs with airdox operations in coal mines

A study of stray electric currents in airdox systems in coal mines

Safety aspects of controls and operations of belt conveyors in coal mines

Published Year

• 1940-1949 (3)
• 1950-1959 (1)

Subject

• Coal mines and mining--Equipment and supplies (4) *
• Coal mines and mining--Safety measures (4) *
• Coal mines and mining--Electric equipment (3)
• Compressed air (3)
• Conveyor belts (1)

Author

• Brown, C. L. (2)
• Gallagher, F. J. (2)
• Hyvarinen, John. (1)
• Malesky, J. S. (1)

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