SAFETY CIGARETTES
DEVICE TO PREVENT FIRES Cigarette ends that extinguish themselves have been evolved by scientists of the Federal Bureau. They are expected greatly to reduce America’s £10,000,000 annual loss from fires attributed to cigarettes discarded carelessly by smokers. The device is an inch long corktip, lined with air-excluding sodium silicate, or water-glass. Bureau scientists say they have also perfected a fireproof match, coated with water-glass within half an inch of the head. Two thousand matches, including all varieties in common use, were ignited in tests. It was learned that five seconds Is the time most frequently taken for lighting cigarettes, and ten seconds for cigars and pipes. The percentage of water-glass with the greatest safety factor, while retaining the usefulness of the match, was then computed.
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Sun (Auckland), Volume III, Issue 786, 5 October 1929, Page 20
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127SAFETY CIGARETTES Sun (Auckland), Volume III, Issue 786, 5 October 1929, Page 20
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