A photograph taken by the Signal Corps in 1919 shows a scene in the base censor's office during World War One. In the image, letters suspected of carrying hidden messages are being subjected to a chemical bath to reveal any hidden information. This process was a part of the American Expeditionary Forces' efforts to maintain security. The photo was taken on January 2, 1919.
GLIX-115-2RBWX9R
Magyarország
Kollekció
GLIX Prime
Novel Use
Fotós / Szerző
piemags/NSC
Készült
Leírás
A photograph taken by the Signal Corps in 1919 shows a scene in the base censor's office during World War One. In the image, letters suspected of carrying hidden messages are being subjected to a chemical bath to reveal any hidden information. This process was a part of the American Expeditionary Forces' efforts to maintain security. The photo was taken on January 2, 1919.