Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850. Telecommunications 1850
Working model of the double trunk steam engines, as used on HMS 'Minotaur (1867) and HMS 'Northumberland' (1868) Marine Engines 1845
Caricature showing a publican's dilemma during a cholera epidemic, Europe, c. 1854 .Unattributed c.1854