French soldiers in Alsace using trench periscope
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British field phone
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German telescoping searchlight
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French signal corpsmen testing field phone lines
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British identification disk
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French portable searchlight
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Heliograph signaling device
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French military kitchens at the front
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Barbed wire in a Lorraine wood
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Trench periscope
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Horse-drawn ambulance at Helles
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Wounded troops transported on flatbed rairoad cars
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