"Diagram - Dugout showing method of observing enemy lines. The figures 2 and 3 depict a protected machine gun position east of Frize, communicated through a protected sap with a periscope for observation. When no periscope is available, a lookout is typically positioned near the machine gun shelter, using either a armored observation post or a reinforcement. In the latter case, the lookout is protected by a rectangular wire plate. The opening is visible, but always closer to the protective side than the machine gun firing opening. Figure 2 - Machine Gun Firing Opening. Figure 3 - Entryway to t
"Diagram - Dugout showing method of observing enemy lines. The figures 2 and 3 depict a protected machine gun position east of Frize, communicated through a protected sap with a periscope for observation. When no periscope is available, a lookout is typically positioned near the machine gun shelter, using either a armored observation post or a reinforcement. In the latter case, the lookout is protected by a rectangular wire plate. The opening is visible, but always closer to the protective side than the machine gun firing opening. Figure 2 - Machine Gun Firing Opening. Figure 3 - Entryway to the impression, smaller than a doorway (B-15)."
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Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
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