callan induction coil

callan induction coil

The first induction coil was invented in 1836 by the Irish Catholic priest Nicholas Callan. Modern ignition coils operate on the same principle.



JD Laukkonen

JD Laukkonen turned wrenches in the north end of Seattle for a decade, so he's no stranger to the inner workings of modern automobiles. He has worked as a freelance writer since closing his shop in 2007, and he currently covers automotive technology for Lifewire.com.

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