Image depicts a radio trailer used by the Research and Inspection Bureau in Paris, France during World War I. The trailer housed an A 1 receiver and No. 4 Post Portatif for communication purposes. The image was taken by Sgt. Gallivan on December 13, 1918, and it is marked as not for publication but for official use only.

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Size: 8445px × 5681px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., .., 1., 2, 4, 13, 111, 111-sc-29982, 1918, activities, american, bureau, dec., france, gallivan, image, inspection, keyword, military, nov., paris, photographer, portatif, post, radio, receiver, research, seine, sgt., trailer, war, world