Sir Charles Tilston Bright, telegraph engineer, 1858.

Sir Charles Tilston Bright, telegraph engineer, c 1860.

Hydrographic map of the Persian Gulf, 1712.

A batello or batil, 19th century.

Boar hunt, Japan, 1867.

Sir Charles Aldis, surgeon, 1817.

Agricultural machinery, 1697.

Dibble's Electrically Propelled Carriage', 1889.

'Travelling on the Ice over the Gulf of Bothnia to Finland', c 1798-1799.

Cable laying at sea, Atlantic Ocean, 1865.

A microscope, 19th century.

Map of the world showing all the cable routes and principal land lines, 1890.