Photographic Print, Electric Power Sub-Station, 230 volt, 3 phase, feeder control switchboards for power, industrial heating and drying apparatus (transformers in cells are back of these switchboards), c.1932
Photographic Print, Electric Power Sub-Station, metal clad 13200 volt bus with truck type oil switches for control of P.E.P. Co. feeder and transformers for rotary convertors and power distribution transformers; similar bus structure on south side of stat
Photographic Print, Power Sub-Station, general view of station from control switchboard showing 528 K.W. manual and three 1200 K.W. automatic rotary convertors, c.1932
Photographic Print, Power Sub-Station, general view of station from control switchboard showing 528 K.W. manual and three 1200 K.W. automatic rotary convertors, c.1932