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Ventilation of manholes.

Ventilation of manholes.

Investigation during 1937 of combustibles in manholes in Boston, Mass.

Published Year

• 1930-1939 (3)

Subject

• Manholes (3) *
• Mine ventilation (2)
• Air (1)

Author

• Campbell, John. (3) *
• Jones, G. W. (3)
• Miller, W. E. (2)
• Yant, W. P. (2)
• Goodwin, F. M. (1)
• Huff, W. J. (1)

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