Descartes' planetary system, 1761.

Copernicus' model of the Solar System, 1761.

Telluric screw of de Chancourtois, c 1862.

Two irrigation systems, Egypt, c 1798.

Wheel and bucket irrigation system, Egypt, c 1798.

Bernard le Bovier de Fontenelle, French philosopher and writer, early 18th century.

Charles Louis Saulces de Freycinet, French minister of war, 1891.

'La Salle des Illusions', Paris, France, September 1900.

Charles Fox, engineer, c 1860s.

Sir Charles Wheatstone, English physicist, c 1860s.

Pierre Simon, French physician, mathematician and astronomer, c 1800.

Joseph Marie Jacquard, inventor of the Jacquard loom, 1839.