British Transport Commission: British Waterways
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BTC/BW engineering drawings 202-767
BW177/2/6/1/175
"Concrete walling unit for shallow water"
Description
Plans and elevations showing machine for manufacture of concrete walling in situ
Date
3 January 1961
Reference code
BW177/2/6/1/175
Access Status
These records are available immediately for research
Extent & medium
1 sheet