Aviation aux Etats-Unis : amélioration technologique et sécurité, 1930-1939. - 24 photos - Photo n° 228650
Photo n°
228650
:
WATCH YOUR CREDIT *WIDE WORLD PHOTOS* WASHINGTON BUREAU 5-25-31. AVIATORS AT THE NAVAL AIR STATION, ANACOSTIA, CAN NOW TELL AT A GLANCE WHAT THE FLYING WEATHER OVER THE WHOLE COUNTRY IS, THANKS TO THE EXPERIMENTAL ELECTRICAL WEATHER MAPS NOW IN OPERATION THERE. COLORED LIGHTS DEPICT THE WEATHER STATUS, AND BELL LIGHTS AND COLOR CHANGES INDICATE ABNORMAL CHANGES AND STORM WARNINGS. LIEUT. J. B. ANDERSON, METEOROLOGICAL OFFICER AT THE STATION, DIRECTED THE DEVELOPMENT OF THE MAPS WHICH WERE CONSTRUCTED AT WASHINGTON NAVY YARD. HE IS SHOWN READING THE NEW MAP. [Actualit] [Wide World Photos]