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Caricature showing 'The State Doctor' during a cholera epidemic, Europe, c. 1854
Caricature showing a publican's dilemma during a cholera epidemic, Europe, c. 1854
Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850.
Chart of the Atlantic showing proposed couRse of the Atlantic Cable, 1856-1857
Lens for narrowing light beam for Thomson mirror speaking galvanometer, 1858
Railway bridge section, portion of rivetted girder from Britannia Bridge