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Picture of the day
Urania's Mirror
An illustration by Sidney Hall for Urania's Mirror, a set of 32 astronomical star chart cards first published in November 1824. These cards, which were based on Alexander Jamieson's A Celestial Atlas, had holes punched allowing them to be held up to the light to see a depiction of the constellation's stars.

This card, Plate 28 in the series, depicts six constellations: the defunct Psalterium Georgii ('George's Harp'), Fluvius Eridanus ('the river'), Cetus (also known as 'the whale'), Officina Sculptoris ('sculptor'), Fornax Chemica ('the furnace'), and the defunct Machina Electrica ('the generator').Illustration: Sidney Hall; restoration: Adam Cuerden

See also