This image shows a radio telegraphy apparatus, specifically parts of a Type SCR-73 airplane radio rotary spark set. It was photographed by Sig. RECHO on August 9, 1918, at Camp Alfred Vail in Little Silver, New Jersey. This photograph is not for publication and is intended for official use only.

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Size: 8316px × 5585px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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