DIEN, CHARLES. 1809-1870.
Planisphère mobile simplifié, donnant immédiatement l'aspect du Ciel. Paris: Alphonse Giroux, [c.1844].
Engraved card device enclosing rotating pasteboard disc, 470 x 380 mm. Letterpress description pasted at foot. Lacking spindle, well rubbed with abrasions to the disc with some loss of captions.
Dien improved on the traditional pictorial style of depicting constellations, and originated the connecting-line manner, which highlighted the constellation without extraneous clutter (Kanas pp 295-296).
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