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Purkinge’s Figures

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In optics, figures produced on a wall of uniform colour when a person entering a dark room with a candle moves it up and down approximately on a level with the eyes. From the eye near the candle an image of the retinal vessels will appear projected on the wall.

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Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.

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Pundit
Punic Apple
Punic Faith
Punish a Bottle (To)
Punjab [five rivers]
Pup
Purbeck (Dorsetshire)
Purgatory
Puritani (I)
Puritans
Purkinge’s Figures
Purler (A)
Purlieu
Purple (blue and red)
Purple (Promotion to the)
Purpure [purple]
Pursy, Pursiness
Pururavas and Urvasi
Puseyite
Puss
Puss in Boots [Le Chat Botté]