| http://www.w3.org/ns/prov#value | - Each spark-gap electrode E is connected to a respective one of N (where, in the preferred embodiment, N=40) terminals T. Inside the stator is a rotor driven by a motor M. The rotor comprises an upper rotor arm RA.sub.1 and a lowerrotor arm RA.sub.2 co-operable respectively with the upper and lower rings
|
