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41. Dien, Charles. Uranographia. Paris, 1831.

Dien's Uranographia was unusual in that it was intended for mounting, as our copy has been. There are two polar maps at the top, and then a rather wide equatorial map at the bottom. The traditional constellation figures are not given at all; instead, major stars are joined to produce simple geometrical shapes, so that Gemini, for example, is a simple rectangle, while Taurus is a collection of triangles. Midway between Taurus and Gemini, just to the left of the seam, there is a note of historic interest, and in the detail you can almost read it: "Pres de cette etoile fut decouverte la planete d'Uranus." Exactly fifty years after William Herschel discovered Uranus, the spot where the planet was first seen is still being commemorated.