s 'Olympic', 1910.

Prof K S Olszewski and Prof Z F Wroblewski, Polish chemists, c 1880.

Third stage (S-IVB) of the Apollo 11 Saturn V launch vehicle, 1969.

Third stage (S-IVB) of the Apollo 11 Saturn V launch vehicle, 1969.

Corn mill float wheel roller and thrust bearings, late 18th century.

Sectioned oil axle box for railway carriage

C S Rolls and party en route to 'Hendre', near Monmouth, Christmas 1899.

Compound microscope, 1715.

Compound microscope, 1715.

Railway axlebox with Timken tapered roller

'How to build a two valve set', No 4, Godfrey Philips cigarette card, 1925.

Sectioned Rolls-Royce 'Dart' turboprop aero engine, c 1940s.