SCIENCE AND SAFETY.
In the war against crime science has always played a leading part. One of.her newest surprises for the (•rack man is a safe which automatically defends itself against his attacks. In this burglar proof safe is placed a tiny glass bottle containing in liquid form a gas that stupefies but does not kill. The bottle is so delicate that a rise in temperature causes it to break and set the fumes free. As soon as the burglar turns on bis exy-acelylene torch he hears the clink of breaking glass. Next moment lie begins to feel drowsy, and before be knows v, bat: has happened lie is sleeping peacefully beside the safe that he was endeavouring to open.
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https://paperspast.natlib.govt.nz/newspapers/MH19230605.2.27
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Manawatu Herald, Volume XLV, Issue 2589, 5 June 1923, Page 4
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120SCIENCE AND SAFETY. Manawatu Herald, Volume XLV, Issue 2589, 5 June 1923, Page 4
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