A photograph taken at the Radio Development Station in Washington, , during World War One. The image shows a Wunder radio apparatus designed for airplane use. The photo was taken by Corp, Klein, and is not intended for publication. It was taken in April 1918 but received for record on May 3, 1918.

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Size: 9177px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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