The image shows a telephone apparatus at the Field Lab in Washington It is specifically a short wave receiving apparatus with the identification number TDTO419 SUBIECT 47360. The photograph was taken by Sot. McKenzie on April 17, 1919, and received on April 21, 1919. The description mentions that it is located at the Field Lab in Washington There is also a note with the number 947360.

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

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