British Waterways Board
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Chief Engineer's Department, Watford
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BWB engineering drawings
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BWB engineering drawings nos 5002-5103
BW167/6/7/2/29
"Bulls bridge Depot extension to dry dock ..."
plans sections and elevations showing foundations, general arrangement, purlins, gable frames, raker, stanchions, sheeting rails and guttering
1972
BW167/6/7/2/29
These records are available immediately for research
8 sheets