Tube map from 1994 showing East London line and North London line services (Image: TfL Corporate Archives) However, it was actually a different section of track that first opened as a London ...

Tube map from 1994 showing East London line and North London line services (Image: TfL Corporate Archives) However, it was actually a different section of track that first opened as a London ...

These are now known as the Mildmay line, Lioness line and Suffragette line. London Overground map from 2007 (Image: TfL) For the first three years of the London Overground, the East London line was ...

Tube map from 1994 showing East London line and North London line services (Image: TfL Corporate Archives) However, it was actually a different section of track that first opened as a London ...

There was also a map. One of the old-school OS maps, neatly folded, it was by far the most interesting find. Vet Julian Norton.