Superior Electric Powerstat Variable Autotransformer

Superior Electric - Powerstat Variable Autotransformer

POWERSTAT N10B VARIABLE TRANSFORMER TESTED OK

STACO O33-0125 Variable Transformer CUT CORD

Superior Electric Company Type 10C Powerstat Variable Transformer

Vintage Superior Electric Powerstat Variable Transformer TYPE IHSOIUK -FOR PARTS

Superior Powerstat Type 116U Variable Transformer

Superiror Electric Enclosure PBA10-N01-2 Powerstat Variable Transformer Enclosur