The New Zealand Railways Magazine, Volume 3, Issue 12 (April 1, 1929)
Christchurch-Lyttelton Electrification. — One of the Rotary Convertors at the traction sub-station at Woolston. On the right are the automatic control panels, and in the background the D.C. 1,500 volt switchgear
Christchurch-Lyttelton Electrification.
One of the Rotary Convertors at the traction sub-station at Woolston. On the right are the automatic control panels, and in the background the D.C. 1,500 volt switchgear.