Lantern Slides

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Partly made joint on Southwark 36" main

Paterson controls at Walton primary filters

Paterson mobile filtration unit

Paterson rapid filters

Paterson rapid filters at Barn Elms

Paterson rapid filters pipe work

Paterson rapid sand filters

Paterson rapid sand filters module

Penstock on main sewer

Petrie dish

Piccadilly Circus services section

Picketts lock and weir on the River Lee

Pie chart on expenditure

Pile of wooden pipes

Pipe with mussels at Barnes

Pit site at Manot Street

Placing explosive charges for clearing pipes

Placing the puddle at Littleton reservoir

Plan of Lee Valley scheme

Plan of low lying land in London

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