British Livens gas bomb projectors
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Typical gas shell bursting
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British working party wiring Livens projectors
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Livens bombs exploding
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British soldier wearing gas mask
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Gas masks for man and horse demonstrated by American soldier
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Gas shells exploding in No Man's Land
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French poison gas dispenser
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French soldier wearing respirator
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US soldier with gas mask
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US Marines wearing gas gear
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Treating mustard gas victim
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