Photograph of the aqueduct of the Ganges Canal in Roorkee, [India] in the early 20th century.

Photograph of an artesian bore that has a flow of 682,200 gallons per diem in the late 19th or early 20th century.

Four photographs of people using boring equipment to dig for subterranean water sources in South Africa in the early 20th century.

Photograph of a group of Indian men baling water in the late 19th or early 20th century.

Photograph of three men and a horse in the grasslands of [South Africa?] in the early 20th century.

Photograph of the Dhenkanal tank, water-supply storage, with Dalé palms lining the bank in Orissa, India in the early 20th century.

Photograph of an irrigation distributing centre showing the water enclosure next to a field in the early 20th century.

Photograph of double-span houses, 40 ft. by 100 ft. that 'contain eight rows of hot-water pipes, patent ventilating gearing, wires, boiler and cold water supply and showing the whole structure being moved by one man' in the early/mid 20th century.

Letter from Richard Lambert, Newcastle upon Tyne, to Joseph Black regarding civic water supplies.

Letter from Richard Lambert, Newcastle upon Tyne, to Joseph Black regarding specimens of water, with draft of Black's report on them.