Friday, 19 September 2014

In WWI Canadian soldiers used urine-soaked cloths as primitive respirators…

In WWI Canadian soldiers used urine-soaked cloths as primitive respirators against chemical attacks. The ammonia in urine would react with the chlorine, neutralizing it, and that the water would dissolve the chlorine, allowing the soldiers to breathe through the gas.






from Crazy Facts http://ift.tt/1mkxtE0

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