Propeller shaft and chain casing details of Wright 'Flyer', 1903.

Page from the Schneider Trophy contest progamme, 1929.

The 'Olympic' White Star liner during construction, Belfast, 15 April 1909.

Grinding and polishing machine for the Hooker Telescope mirror, 1910-1916.

International Harvester Mogul tractor, 1916.

Asembling the Hooker Telescope building, c 1916.

Three types of robin and a white-eye, 1838-1842.

Hygena fitted kitchen, 31 March 1964. 'Time

Mountain peaks, United States of America, c 1850-1900.

Artificial arm, 1914-1916.

Nurses and wounded British soldiers in a hospital ward, c 1914-1918.

Soldiers of Kitchener's army with their Christmas dinner, 1914-1918.