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Novel device for collecting air samples in inaccessible places

Coal-mine explosions and coal- and metal-mines fires in the United States during the fiscal year ended June 30, 1940

Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1941

Mine-fan signal alarms and power releases

Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1944

Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1945

Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1947

Published Year

• 1940-1949 (7) *

Subject

• Mine fires--United States (5)
• Coal mine accidents--United States (4)
• Mine explosions--United States (4)
• Air sampling apparatus (1)
• Explosions--United States (1)
• Mine ventilation--Equipment and supplies--Safety measures (1)

Author

• Fene, W. J. (7) *
• Harrington, D. (5)
• Humphrey, H. B. (2)
• Weaver, H. F. (1)

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