Under the Wires

• 27 Mins
• 1965
• en

• star0

The electrification of the London Midland Region main line between London, Manchester and Liverpool at 25KV AC, using overhead wires and drawing supply from the National Grid, was a major undertaking involving civil, electrical, mechanical and signal engineering of a complex and advanced nature. This film depicts some aspects of the problems involved and of the unprecedented operations which were carried out.