Transformer no.215 - 60 K.W.
Transformer no.215 - 60 K.W., the first made of silicon steel
Transformer in iron tank, no.215 - 60 K.W., the first made of silicon steel
Transformer no.215 - 60 K.W., the first made of silicon steel
Iron tank for transformer no.215 - 60 K.W., the first made of silicon steel