Unequal refrangibility of two differently coloured lights mb-artistname Ian Grieve Plate 21 from volume I

Plate 21 from volume I of The natural history of Carolina

Spectators watch as the car

Three-quarter length studio portrait of William Benjamin Carpenter

View of the Grand Pavillion

Italian Parade in 'Little Italy' honouring Our Lady of Mount Carmel

Unequal refrangibility of two differently coloured lights mb-artistname Ian Grieve Plate 21 from volume IExperiment 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