This edition is revised by Hiram Mattison and published by Mason Brothers. Complete as issued: six hand colored maps of the constellations, two uncolored maps of clusters, nebulae, double stars etc., and one (uncolored) double page plate with planets, orbits, satellites etc. Back cover includes a fine engraving of the Great Equatorial Telescope of Harvard University.
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Condition: B
Plates are in overall good to fine condition with some faint toning and offsetting. Paper covers are detached and soiled with brown ink signature of a previous owner on front cover. Overall very good condition for an atlas with paper covers.