British Transport Commission: British Waterways
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BTC/BW engineering drawings
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BTC/BW engineering drawings 202-767
BW177/2/6/1/59
"Graph for concrete piles"
Description
graphs showing man hours against piles driven and hours boating for 4'0" and 8'6" piles
Date
1955
Reference code
BW177/2/6/1/59
Access Status
These records are available immediately for research
Extent & medium
3 sheets