Specimen / cement / manufacture / sample / concrete

One of eight specimens illustrating the manufacture of Portland cement - a mass of concrete, composed of one part of cement to five of stone chippings, sand etc.

Waterwheel, Pelton / section / model

Sectional model in iron of a Pelton waterwheel, on a wooden base representing a concrete foundation

Sculpture

On the Edge, sculpture of cast bronze, cast glass and red concrete, a rectangular column with an inset cube and a bronze twig, on a square plinth: England, London, Diana Hobson, 1999