Word: sirens
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Dates: during 1940-1949
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...that our ears sometimes fail us, but rather that they stand the racket as well as they do." At 120 decibels (the noise of a nearby plane engine), the ear begins to feel uncomfortable; at 130 decibels, it tickles; at 140 decibels (near a powerful air-raid siren), it hurts, and grows temporarily deaf. But even a shattering noise rarely causes complete deafness. The commonest causes of deafness (besides old age) are 1) inflammation of the middle ear (otitis media), usually due to a head cold; and 2) a bony growth in the middle ear (otosclerosis), a hereditary disorder that...
...Port-de-Bouc's solitary church bell struck six, the shrill blast of a ship's siren split the air. This was the deadline the British had set. If the 4,424 Palestine-barred Jews aboard three British prison ships in Port-de-Bouc's harbor failed to disembark, the British would order the ships to Germany...
...Forest, of American Television Inc., wrote in to ask whether Inventor White had applied his siren to remedying afflictions like tinnitis (ringing in the ears), which has plagued the "father of radio" for years...
Consolidated Paper Corp., of Montreal, Canada, asked if the siren could be used to combat bacteria in paper stock and water...
Brewers, dentists, laundries and jewel graders have also made inquiries. A hospital hopes that the siren can be made to sterilize the air in its infants' nursery. General Mills would like to know whether it will coagulate the dust that plagues the packaging of its dry cereals. Cincinnati is ready for an immediate.demonstration of the power of ultrasonics to lay the smoke and dust for which that city is renowned...