Some images from Mark Ovenden's book London Underground By Design, which is published to coincide with the 150th anniversary of the first London underground line, the Metropolitan
An underground advertisement with map, 1908-16.Photograph: London Underground by DesignThe blueprint for a vertical logo, 1908-9.Photograph: London Underground by DesignChiswick Park station opened in April 1932.Photograph: London Underground by DesignEscalator mazes by Nicolas Monroe at Oxford Circus (1983).Photograph: London Underground by DesignGreen Park, the greenest central London tube entrance.Photograph: London Underground by DesignHighgate station (renamed Archway a few years later) was reopened with Charles Holden's huge glazed wall frontage in April 1932.Photograph: London Underground by DesignThe red discs were rolled out 1918-15.Photograph: London Underground by DesignThe stairway at King's Cross, 1925.Photograph: London Underground by DesignA digital reconstruction of the once ubiquitous hexagonal lamps with 'UndergrounD' marking.Photograph: London Underground by DesignMet serifs, 1920s.Photograph: London Underground by DesignCombined logo on signage at Paddington (digitally re-coloured), 1913-15.Photograph: London Underground by DesignMark Lane station (later re-sited and renamed Tower Hill), 1907.Photograph: London Underground by DesignLeslie William Green's pioneering design wasn't simply about pretty tiling; his styling permeated every step of the passengers' journey, from ticket hall to exit signs. 1906-8.Photograph: London Underground by DesignMorden station in 1925, with a wooden mock-up of Charles Holden's adaptable frontage. Construction began the same year.Photograph: London Underground by DesignThe Met's red diamond, 1917-29.Photograph: London Underground by Design