Latest model Scintilla Vertex mag, complete with tach dive. This is the ignition system found in most really hot competition rods. Ring, for adjusting timing, by Joe Hunt. In ignition system for any ...
F. R. HAIGH has recently compared the relative advantages of magneto and coil ignition used for generating the explosions which occur in motor-car engines (Students' Quart. J. Inst. Elec. Eng., Dec.).