The circulating oil-type transformer.

Oil-type Transformer

The circulating oil-type transformer.

Oil-cooled or self-cooling transformer. (Tubular type)

Self Cooling Transformer

Oil-cooled or self-cooling transformer. (Tubular type)

An open, portable transformer with inserted cable.

Transformer

An open, portable transformer with inserted cable.

An air-blast transformer installation.

Transformer Installation

An air-blast transformer installation.

A typical transformer sub-station.

Transformer Sub-station

A typical transformer sub-station.

The water-cooled transformer.

Water-cooled Transformer

The water-cooled transformer.