This year marks the 100th anniversary of the first commercially viable high-voltage spark plug, patented in 1902 by German automotive pioneer Robert Bosch, who designed it as part of a magneto-based ...

As the engines in America's production automobiles become more powerful with each succeeding year, it becomes increasingly difficult for engine and accessory designers to cope with some of the ...

Celebrated in Stuttgart one day last week with the fanfare appropriate to one of Germany’s leading corporations was the 50th anniversary of the founding of Robert Bosch A. G. Happily the date ...

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.).

Automotive ignitions systems have seen many transitions over the years. Historically, the designs have matured from a magneto to today’s coil-over-spark plug designs. The progression follows the ...

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 ...