'Les Gaz Allemands; Cloche installee pres d'un abri de guetteur pour lui permettre de signaler l'arrivee d'une nappe gazeuse ; des qu'elle sonne, les hommes doivent mettre les masques protecteurs', 1916. From "Collection de la Guerre IV. L'Illustration Tome CXLVII. La Guerre Janvier, Fevrier, Mars, Avril, Mai, Juin 1916".

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Photo credit: © The Print Collector / Alamy / Afripics
License: Licensed
Model Released: No

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