Résumé du livre

As an institution the Weather Bureau exhibits the growth and development of meteorology and its practical application through the medium of the electric telegraph, radio, and other forms of communication, in the performance of a systematic and continuous service to the public and In the interest of agriculture, commerce, and navigation. The invention of the barometer, thermometer, hygrometer, and other meteorological instruments enabled accurate observations of atmospheric phenomena to be made, from the study of which some of the laws that govern the changes therein have been deduced.

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