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
BW167/6/7/1/61
"Proposed 30 ton and 60 ton hoppers"
Plans elevations and sections
1961; December 1964
BW167/6/7/1/61
These records are available immediately for research
2 sheets