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Cooling of mine air
Published Year
1920-1929 (1) *
Subject
Cooling (1)
Humidity (1)
Mine atmospheres (1)
Mine ventilation (1)
Mine ventilation--Measurement (1) *
Mine ventilation--Safety measures (1)
Temperature control (1)
Author
Houghten, F. C. (1)
Read, Thomas Thornton, (1)