… of a kind used for spark-ignition or compression-ignition internal combustion engines (for example, ignition magnetos, … ignition coils, sparking plugs and glow plugs, starter motors); generators (for example, dynamos, alternators) and cut-outs of a kind used in conjunction with …
Explanatory notes
… base for screwing it into the cylinder‑head, and there is a terminal at the top of the central electrode for connection … . These are used to provide the necessary high tension voltage to be applied to the sparking plugs of an … or with some other mechanical device for coupling them temporarily to the internal combustion engine to be started. …