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 769-1004
BW167/6/7/1/3
"Cowroast Elsan emptier and cess pit for pleasure craft"
Plans and sections showing location and structure of new works
1963
BW167/6/7/1/3
These records are available immediately for research
1 sheet