The London Tube alphabet book by London-based designer and illustrator Tim Fishlock posterized Harry Beck's famous alphabet made of sections and lines from the London underground map
Drawing for diagrammatic London Underground map, Harry Beck, 1931
Beck's pocket Underground map, No 1
London Underground Map by Harry Beck 1933
Harry Beck, the genius behind the iconic London subway map © Ken Garland, courtesy of London Transport Museum
"Refused" - Harry Beck - Paris Metro Map (See London Underground Map) - The original is at the London Transport Museum.