British Transport Commission: British Waterways
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South Western Division
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Severn District
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River Severn
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New Lock, Gloucester
BW177/5/16/10/6/12
"Proposed Arrangement of Hydraulic Opertaing Gear for River Severn Lock Mechanisation"
Copy. Plan and elevation. By Hartleys (Stoke On Trent) Limited, Sewage Machinery Engineers.
c.1958 (5 December 1958)
BW177/5/16/10/6/12
1 Sheet