Unequal refrangibility of two differently coloured lights Size:Standard: 14.8 x 10.5cm Poster advertising Peugeot bicycles

Poster advertising Peugeot bicycles

Daily Mirror Blackpool Week

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

'Muddleby Junction'

opened by King William IV and Queen Adelaide in 1831

Unequal refrangibility of two differently coloured lights Size:Standard: 14.8 x 10.5cm Poster advertising Peugeot bicyclesExperiment 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