British Transport Commission: British Waterways
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Records relating to all divisions
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BTC/BW engineering drawings
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BTC/BW engineering drawings 202-767
BW177/2/6/1/62
"Typical cross section of 36" dia sewer pipe"
Sections of pipe and retaining wall, general arrangement of sewer crossing
1955
BW177/2/6/1/62
These records are available immediately for research
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