One of two pressurised flying helmets, by Taylor

AI23 Airborne Interception radar and test stand, designed and built by Ferranti Edinburgh for the English Electric Lightning fighter aircraft

Scoo-ped bicycle, tubular frame with fawn fibreglass enclosure and fairing, pedal-driven with Sturmey Archer 3-speed geared dynohub, and alloy prop stand, made by Elswick-Hopper Cycle & Motor Co. Ltd of Barton-on-Humber, England, 1959

Bicycle racing helmet of red fibreglass, with polystyrene interior and rainbow straps, used for track racing, made by Graeme Obree

Oncorhynchus gorbuscha (Walbaum, 1792), humpbacked or pink salmon, male, cast of a specimen from Stromness Voe, near Whiteness, Shetland, 1967

Dermochelys coriacea, leatherback turtle, immature female, cast, North Sea, off Fife coast, 1967

Lamna cornubica (Gmelin), Porbeagle shark, male, cast incorporating real jaws and teeth

Wind turbine, by Swift Turbines, c. 2005

Scyliorhinus stellaris, greater spotted dogfish, cast

Raja naevus, cuckoo ray, cast

Polyodon spathula, paddlefish, cast

Cyprinus carpio (Linnaeus), carp, cast

Molva dypterygia, blue ling, cast

Esox sp., pike, adult, cast

Sphyraena sp., barracuda, cast

Heterodontus francisci, horned shark, cast