controls are the thingy at the bottam
in 958 ECGR needed to upgrade their fleet of electric locomotives as by this time the old boxcabs and their old universal motors were much too old to handle the 15-20 minute frequincies needed of them so they went to Northern Electric and ordered these steel frame-wood sided EMU's that consist of two semi-permanently coupled Power cars Equiped with Mercury-Arc Rectifiers allowing them to run off either an AC or DC Power supply designed by and Hans Zuqlyzon (of northern electric)
