No industrial noise is harder on the nerves than the brain-battering din of riveting. In one department of Bell Aircraft Corp.'s huge B-29 plant near Marietta, Ga., dominated by the monstrous chatter of some 450 riveters, conversation has been by lipreading. The uproar has undoubtedly played a big part in the heavy turnover and absenteeism among the riveters, half of whom are women.
Recently the Army Air Forces released to Bell 450 new ear plugs that reduce the racket but let the human voice through when the riveting stops. Last week the new chief...
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