BRITISH on the market have in fact a higher breaking strain, very few British cars could withstand the impact needed to produce Colonel Stapp's postulated deceleration of 30 g. No safety equipment can save the occupant of a car which is crushed about him. What it can do is protect him from ejection or from contact with the interior when the deceleration is between 4 and 20 g; and it is under these conditions that the great majority of accidents happen. The U.S. Committee on Road Safety, whose conclusions have been widely accepted in general terms in this country, has estimated that 52% of all deaths in car accidents and 54% of serious injuries could be prevented by the use of adequate restraining devices. It seems folly to reject them altogether because of the unproven possibility that in an infinitesimal percentage of cases they might aggravate the injury.-I am, etc.,
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