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A spiral sequential sampler for air and liquids :preliminary results

Three coal mine ventilation studies using sulfur hexafluoride tracer gas

Brattice window method for measuring leakage through mine stoppings

Methane accumulations in coal mine roof cavities

Water spray vent tube cooler for hot stopes :a preliminary report

Published Year

• 1970-1979 (5) *

Subject

• Mine ventilation (4)
• Air sampling apparatus (1)
• Coal mines and mining--Safety measures (1)
• Methane--Measurement (1)
• Mine explosions (1)
• Mine gases (1)
• Mine ventilation--Equipment and supplies (1)
• Sulfur hexafluoride (1)

Author

• Kissell, Fred N. (5)
• Vinson, Robert P. (5) *
• Thimons, Edward D., (2)
• Thimons, Edward D. (1)

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