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    © Imperial War Museums 2026

    Memorial

    Sir Barnes Nevil Wallis

    Source: Copyright Adam Pode

    1/4

    Current Location

    Set roadside between between Morland Road and The Duke of Northumberland's river, Moor Lane, Harmondsworth, Hillingdon, Greater London, UB7 0AR, England

    OS Grid Reference

    TQ 05462 77672

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    Names listed on this memorial

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    © WMR-90113

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    Type of Memorial
    Obelisk
    WMR Reference Number
    90113
    Description
    A concrete obelisk with a tapering top set with two plaques, a circular blue one on the top and a rectangular one with a Avro Lancaster bomber on the front.
    Inscription
    Top plaque: /HILLINGDON/LONDON/Sir Barnes Nevil Wallis/CBE, FRS, RDI, FRAeS/1887 - 1979/Designer of R100 Airship, geodetic construction,/Upkeep, Highball, Tallboy and Grand Slam bombs./Pioneer of swing-wing and tailless aircraft/and hypersonic flight./ Front plaque: /Tests conducted by the Road Research/Laboratory against model dams built/on this site during 1940-42 assisted/Barnes Wallis in his development/of the bouncing bomb (Upkeep),/used by No.617 Squadron/Royal Air Force to breach the/Ruhr Dams 16-17th May 1943./HILLINGDON/LONDON/
    War
    Second World War - civilians
    Custodian
    London Borough of Hillingdon

    Components

    Obelisk

    Made from: Concrete


    Condition: Good