apparatus and instruments for transforming, regulating and controlling electricity, namely, [ transformers, transistors, static exciters, energy converters, ] power supplies, [ accumulators, energy to power converters; dispensers that count or measure output for use with electromagnetic and electrostatic fields and ionisations; electromagnetic coils; ] anti-interference devices, namely, filters for radio interference suppression used for reducing the detrimental effects of electric smog, elec...