Missing In Action

A Survey Of Electric Railway Development From The Earliest Days Of The London Underground To Modern Electrified Main Line Trains. Coverage Includes Chapters On Signalling And Communications Power Supplies And A Detailed Survey On Traction Systems Both Ac And Dc. The Introduction First Of Mercury Arc Rectifiers And Later Of Power Semiconductor Controls Is Also Discussed In Detail. The Author Has A Long-Standing Interest In Engineering History And Has Written Papers On Many Aspects Of Railway Technology.