Quad royal station wall map, 102 x 126.5 cm, lined on paper and linen, substantial area of infilling in the upper right hand part of the map, affecting printed border (which has been made good) and a few closed nicks and tears in lower margin.
This is a postwar quad royal version of Beck’s innovative and influential diagram, published for display in stations across the Underground network. The print code of our example is 853-1756M-7500 (2 chgs) 5000. An issue with a near identical code (only the final run, 2500 instead of 5000, has been amended) was in the older style, so this marks the introduction of Beck’s final heavily revised design which continued in use until 1960 and its replacement with an entirely new design by Harold Hutchison.
The main features here are the ‘rectification’ of the Thames, a simplified rectangular Circle Line, a new way of showing the branching of certain lines which was intended to give the branches equal importance, and an 11 x 16 grid. Garland dates this to 1954, but from the print code the transition appears to have taken place fractionally earlier. Ken Garland, Mr Beck’s Underground Map, p. 42-44.