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Historical r©Øesum©Øe of mine and tunnel ventilation studies, Bureau of Mines, 1910-49

A network analyzer for solving mine-ventilation-distribution problems

Making ventilation-pressure surveys with altimeters

Published Year

• 1950-1959 (3) *

Subject

• Mine ventilation (3)
• Altimeter (1)
• Pressure--Measurement (1)

Author

• McElroy, G. E. (3) *
• Kingery, D. S. (1)

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