Public domain
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Atmospheric conditions are transmitted by a weather radio instrument attached to the balloon which ascends to heights of fifteen to twenty miles
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. Atmospheric conditions are transmitted by a weather radio instrument attached to the balloon which ascends to heights of fifte. 1943-01-01. Driscoll, Fred. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.