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Fundamentals of smoke abatement

A comparison of the Smokescope and the Ringelmann chart

Published Year

• 1950-1959 (2) *

Subject

• Smoke prevention (2) *
• Air--Pollution (1)

Author

• Barkley, J. F. (1)
• Burdick, L. R. (1)
• Ringelmann, Max, (1)

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