British Transport Commission: Railway and Docks and Inland Waterways executives
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Docks Engineer's Committee
BW173/1/11
"Type 1-Dumb Hopper Barge-Class A Dumb Hopper Barge Hopper Capacity 750 cu yds - Hopper Door Details"
Copy of original. Section and hopper door details. Signed by C Outhwaite, Chairman of the Subcommittee, and W MacKenzie, Chairman of the Docks Engineers Committee.
3 December 1951 (c1951)
BW173/1/11
1 sheet