CORRESPONDENCE. STATISTICAL AND EXPERIMENTAL DATA ON FILTRATION AND THE SHEFFIELD WATER SUPPLY AND STATISTICS RELATING THERETO.

Keywords: SHEFFIELD, ENGLAND, CROYDON, NILE, ALEXANDRIA, AMSTERDAM, SYDNEY, UK, EGYPT, HOLLAND, NETHERLANDS, AUSTRALIA, FILTERS, FILTRATION, WATER SUPPLY, ORGANISMS, PURIFICATION, BACTERIA, WASTE, SAND, WELLS, RAINFALL, DISCHARGES, EVAPORATION, FLOW, MECHANICAL, STORAGE, CONSUMPTION, SCREENING, ORGANISMS, TREATMENT, RESERVOIRS, STATISTICS, EXPERIMENTS