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Curious Ventilation Device Demonstrates Mine Air Flow
Prof John Woodhull of New York Teachers College showcases a simple furnace and two lamp chimneys to illustrate natural draft. The demonstration explains how heated air rises, drawing fresh air and expelling foul air, applicable to mine ventilation and indoor odors.
MENTIONED IN THIS ARTICLE
John ¥. Woodhull
New York Teachers' College
Xew Castle
Del
Theo
Gore
Chicosa
Gilpin