Lantern Slides

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Exterior of Walton primary filters

Extra chemical tank

Eynsford pump 1 & bellcrank 2

F.E. Durham Esq.,MI.MechE

Fall into cesspool cartoon

Feildes weir Feb . 1942

Ferry Lane well engine

Fever 1, Strepto.3

Filter bed base

Filter beds area text

Filter beds at Battersea

Filter beds at Hampton storage reservoir

Filter beds at Hanworth

Filter bypass valve 19.08.1942

Filtered effluent media

Filtering material

Filtering material at Surbiton works

Filtration performance

Final settling tanks at Beckton

Fire appliances text

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