The image showcases a Floraphone apparatus used at the Field Lab in Washington, The apparatus is utilizing a pine tree as an antenna. The photograph was taken on April 17th, 1919, and received by Sergeant McKenzie on April 21st, 1919. The image is labeled with the identification number 47365. For official use only.

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Size: 8573px × 5711px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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