National Geographic : 1889 Apr
Geography of the Air. 159 that a further discussion of meteorological phenomena on a broad basis, by means of International Weather Charts, both in daily and monthly form, must eventually result in important and fun damental discoveries. It is gratifying to American pride to know that in this international task of outlining the geography of the air, the United States has liberally provided the labor and means for presenting these ten years' meteorological data in such tabular and geographical forms as to render them available for study by all. Acknowledgment is due to Professor Thomas Russell, for val uable translations, especially from the German ; which transla tions have been of material value in preparing this report. December, 1888.