TIL the Schrader valve is used on virtually every motor vehicle in the world, as well as refrigerators, air conditioners, and SCUBA diving apparatuses. Its design was patented in the US in 1893. todayilearned

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Submitted January 24, 2015 at 03:00AM by sexthefinalfrontier http://ift.tt/1Cw55ny todayilearned