British Transport Commission: Docks and Inland Waterways Executive
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South Eastern Division
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Divisional Engineering Office, Watford
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DIWE SED engineering drawings
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DIWE SED engineering drawings nos 4000-4235
BW175/4/7/5/2/186
Standard re-inforced concrete plies
Plans and elevations showing 6'6", 8'6" and 10'6" long piles
1950s
BW175/4/7/5/2/186
These records are available immediately for research
7 sheets