Today I learned on Nostr: TIL the first practical roadside breathalyzer was used in 1931 and it was called the ...

TIL the first practical roadside breathalyzer was used in 1931 and it was called the Drunk-o-meter.

https://en.wikipedia.org/wiki/Breathalyzer?wprov=sfti1
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gaazxy/til_the_first_practical_roadside_breathalyzer_was/