Section of aërial navigation and aëronautics: A meeting of the section was held on thursday evening, January 23, 1913, at 8 o'clock, in the Hall of the Institute. The meeting was called to order by Dr. Stradling, who, with a few preliminary remarks, introduced Dr. W. J. Humphreys, Director of the Mount Weather Observatory, U. S. Weather Bureau, and Professor of Meteorological Physics at the George Washington University

W.E. Bullock

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