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(From Our Regular Correspondent)March 6, 1937.
Criticism of the Protective Measures Against Poison Gas
In the House of Commons, Mr. Pritt said that the government proposed to teach people that, first, they should have gas-proof rooms and use them, and that gas masks would be a second line of defense in the event of such rooms being broken up, or if they happened to be out when the danger began. This was a sham. It had been demonstrated that the walls of ordinary buildings admitted air with such facility that on a windy day a volume of air equivalent to that in the room would enter in fifteen minutes, although the method of gas proofing recommended by the government was carried out. A gas that would kill a person in the open air in six minutes would kill a person in "the gas-proof room" in sixty minutes. It
Foreign Letters. JAMA. 1937;108(14):1187-1193. doi:10.1001/jama.1937.02780140043019