How Auto Horns Work – Popular Science, Feb. 1951

http://blog.modernmechanix.com/how-auto-horns-work/ How Auto Horns Work What happens when you press the button? You’ll see quickly if you make these simple working models. By Kenneth M. Swezey THE makers of auto horns have come as far from their early baa-DOO-gah! days as have their brother engine designers. So if the horn on your new car both … Continue reading How Auto Horns Work – Popular Science, Feb. 1951

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