Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, rectifiers, inverters, transformers, battery chargers, accumulators, voltage regulators for electric power, and controllers; accumulators, electric; accumulators, electric, for vehicles; accumulator boxes; accumulator jars; anode batteries; high tension batteries; batteries for lighting; batteries, electric; batteries, electric, for vehicles; galvanic batteries; elec...