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.).

Bosch is one of the largest manufacturers of any kind on the planet. It makes everything, from power tools to dishwashers, and it also supplies just about every automotive part you can think of.