Arkivism
Washington, D.C. The U.S. Weather Bureau station at the National Airport. High frequency radio receiver recording signals from small radio transmitter attached to radios on a balloon aloft. The signals reveal temperature, humidity and pressure at various altitudes
Public domain

Washington, D.C. The U.S. Weather Bureau station at the National Airport. High frequency radio receiver recording signals from small radio transmitter attached to radios on a balloon aloft. The signals reveal temperature, humidity and pressure at various altitudes

Driscoll, Fred · 1943-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Credit lineWashington, D.C. The U.S. Weather Bureau station at the National Airport. High frequency radio receiver recording signals from small radio transmitter attached to radios on a balloon aloft. The signal. 1943-01-01. Driscoll, Fred. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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