Sgt. McGarrigle photographed the wave meter manufactured by General Radio Co. on November 5, 1918. The meter, kept in a case, was used for signal communication by the Signal Corps during World War I. This photo is classified as for official use only, not for publication, with serial code 2023107.

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Size: 8370px × 5643px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 00, 111-sc, 111-sc-25107, 5, 8, 1918, 2023107, activities, american, cambridge, corps, general, issued, mass., mcgarrigle, meter, military, notes, nov., official, photographs, publication, radio, sgt., signal, war, wave, wever, world