Hampstead for the Heights o' London Cheap Day Return Fare 8d From this Station For availability and conditions of issue see hand- bills obtainable at Booking Office Underground Electric Railways Company Ltd : 1930 Designed posters for the Underground Group and London Transport : 1924-1934 Kate M Burrell designed some of her posters together with Bernard Leslie Kearley. This may be Kathleen Burrell a founder, in the 1920s, of Clement Dane Studio, which was a commercial design company. The Studio produced a range of material including posters, catalogue covers, book jackets, maps, letter headings, press advertisements, and trade marks for such companies as Mac Fisheries and Crosse & Blackwell. No other biographical details are available.