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
BW175/4/7/5/2/121
"Plan showing working limits of dredger in relation to face of quay wall"
Plan and sections showing a bucket dredger working near a quay wall
1949
BW175/4/7/5/2/121
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