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

Annotation on negative or original negative jacket.
This image in a jacket marked "Killed"
Title and other information from caption sheet entry.
Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944.
More information about the FSA/OWI Collection is available at http://hdl.loc.gov/loc.pnp/pp.fsaowi
Temp. note: owibatch5
Film copy on SIS roll 19, frame 647.