Pocket Underground map, October 1919.

This is a paper edition of the geographic style Underground map. It shows all the Underground Group railways plus the Metropolitan Railway. The map shows all lines in their entirety except the Metropolitan line which is shown as far as West Harrow and the Eastbound District line which is shown to Bow Road, stations beyond the boundaries of the map are indicated in boxes at the end of the lines. Only five colours, green, blue, red, brown and black, and various shading patterns, are used to represent the different lines, the inner circle is shown as a separate line. Interchanges are marked with a circle and station names are all printed in black. Geographical features such as parks, roads and exhibition grounds are marked with light black lines. Extensions which are under construction are not shown, but there are some station changes, Strand is now Aldwych, Charing Cross has become Strand and Great Central has been renamed Marylebone. This map has a blue border and a title and reference key in the top right hand corner. On the reverse there are details about main line connections, football grounds, places of interest, sports grounds, general information and a theatre plan and key. The front cover has an Underground roundel with a red circle and black UndergrounD logo bar.This pocket Underground map from 1919 was one of the first to feature Edward Johnston's newly proportioned roundel, which was introduced that year.