LT Rehabilitation London Underground WWII Flooding ProtectionRare original vintage poster issued by London Underground "Rehabilitation As a protection against flooding 153 anti flood doors and concrete bulkheads were fitted at 36 stations: a major engineering feat. These obstructions are being removed but It Takes Time" one of a series published after the end of World War Two by London Transport across the London train, tram, bus and underground networks. Great artwork by Fred Taylor (1875 1963) showing men