Working of a Alcohol-O-Mat early breathalyzer device being demonstrated in Hambur...HD Stock Footage
In 1931, Rolla Neil Harger invented an early breathalyzer, called the Drunkometer to test for driving under the influence. In 1938, he was chosen to be on the subcommittee of the National Safety Council that drafted the model legislation that set the blood alcohol content for driving under the influence.
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