Lantern Slides

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Sand washing at Walton 20.02.1930

Sanitary shortcomings cartoon London 1862

Saving fuel poster

Scene at Waltham Abbey

Screed for lining at Chingford reservoir

Screed for lining at Chingford reservoir

Seal of Shadwell Water Company

Seal of Shadwell Water Company

Seal of the New River company

Section diagram of lower greensand boring

Section of filter at Hampton

Section of filtering materials

Section of Honor Oak Well

Section of outfall works

Section of wooden water pipe

Section of wooden water pipes

Section through Babcock & Wilcox boiler

Section through Cornish boiler diagram

Section through filter bed

Segovia aqueduct, Spain

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