Arkivism
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Following the course of a pilot balloon through the atmosphere with a theodolite instrument which measures the position
Public domain

Washington, D.C. The U.S. Weather Bureau station at the National Airport. Following the course of a pilot balloon through the atmosphere with a theodolite instrument which measures the position

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. Following the course of a pilot balloon through the atmosphere with a theodolite instrument which measures the position. 1943-01-01. Driscoll, Fred. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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