Unequal refrangibility of two differently coloured lights Size:Standard: 14.8 x 10.5cm An accident in which a

An accident in which a spectator was injured in 1925 led to the banning of all speed events on public roads

View of Westminster

opened by King William IV and Queen Adelaide in 1831

with boats and barges on the Thames

'All a-Gog at Guildhall or the civic giants displaying their solid attachments'

Unequal refrangibility of two differently coloured lights Size:Standard: 14.8 x 10.5cm An accident in which aExperiment to demonstrate the unequal refrangibility of two differently coloured lights, an illustration of Newton's first proposition, "Lights which differ in colour differ in refrangibility". From Contributions to solar physics, by J Norman Lockyer (London, 1874). Original: engraving. 1874