Jet Noises Tried Out on Guinea Pigs (Feb, 1951)

Jet Noises Tried Out on Guinea Pigs

Jet engines make a lot of noise—enough to pain or perhaps harm your ears. To find out more about the effect of very loud noise on human ears, Air Force scientists at the Wright-Patterson Base are learning what it does to guinea pigs’ ears. The anesthetized animals (below) are placed in a soundproof room equipped with sound generators. Those are not earphones Dr. H. E. von Gierke is wearing, but muffs to protect his ears.

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