Lantern Slides

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Double Roman aqueduct

Double tunnel at Staines intake

Double tunnel at Staines Moor

Double tunnel intake near Staines

Draining of primary filter bed at Kempton

Dripping tap - Are you guilty ? Poster

Dripping tap - Are you guilty ? Poster

Driving a main on a girder bridge

Driving mains at Sunbury

Duke and Duchess engines at Lee Bridge

E & M filter beds at Lee Bridge

Early conduit

Early plan of Beckton sewage treatment works

Early plan of Beckton sewage treatment works

Early steam locomotive

Effect of old sewers on sub soil water levels

Effects of hard frost on consumption chart

Efficiencies per engine type

Effluent screens

Egyptian water carrier

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