Ignition coils last far longer than spark plugs and only need replacement when symptoms appear. Here’s how to tell if coils ...

PROF. JONES gives in this volume an account of the induction coil, which is more descriptive than his “Theory of the Induction Coil” of eleven years ago. The chief departures from a simple action are ...

An induction coil, typically crafted from copper and shaped into a precise configuration, creates a magnetic field when an alternating current flows through it. This magnetic field interacts with the ...