Four celestial charts showing the constellations during the months of January, February, March / April, May, June / July, August, September / October, November, December. Shows Orion, Taurus, Cancer, Perseus, Monoceros, Hydra, Bootes, Ursa Major, Leo, the Centaur, Corona Australis, Capricornus, Scorpio, Libra, Hercules, and many more. Each is finely engraved with original hand coloring. Stars are shown by their magnitude between 1 and 6, plus star clusters and nebula. Beside the stars and constellations, the Milky Way is prominently shown. Covers the sky from 50° North to South Declination. Matching set of four.

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Condition: B

Good impression and delicate color on sheets with original margins. Some scattered foxing or toning, one with a little light offsetting at bottom, two with paper repairs on verso to support short marginal tears.