In nearly mint condition. (1965 printing by Ferdinand Dummlers Verlag, Bonn). Also includes the southern extension to -23 degrees. Very rare and out of print. One of the great achievements of 19th Century astronomy. Magnificent, still useful today, probably the most famous and important star atlas based on visual observations ever produced.
Northern part (BD) consists of 40 maps, 22" x 30".
Southern extension (SBD) consists of 24 maps, 18" x 22".
Not a former library copy. No missing sheets. Map sheets are flat, uncreased, completely clean and unmarked. Contained in acid-free archival folders, 6 to 8 separate sheets to a folder. With carrying case.