Glass Plate Negatives Series 2 - 1909 - 1959

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Water examination laboratory, oak chest for presentation key

Water examination laboratory, old "Chelsea Fountain" reduced scale of negative No.3709

Water examination laboratory, outside of building, No.54 Nottingham Place

Water examination laboratory, sampling apparatus on show in entrance hall

Water examination laboratory, screen of photographs for exhibition No.1 pumping stations

Water examination laboratory, screen of photographs for exhibition No.1 Pumping stations(duplicate)

Water examination laboratory, screen of photographs for exhibition no.2 mains etc.

Water examination laboratory, screen of photographs for exhibition No.3 filtration

Water examination laboratory, screen of photographs for exhibition No.4 intakes etc.

Water examination laboratory, sterilising room

Water examination laboratory, sterilising room

Water examination laboratory, sub-culture room

Water examination laboratory, turbidimeter

Water examination laboratory, west end elevation

Water examination, samplers vans at laboratory

Water examination, samples at filter outlet

Water Lock, original pattern, exterior

Water Lock, original pattern, interior parts removed

Water Lock, revised patterns, exterior

Water sampler

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