Charts showing precession in right ascension & declination and conversion of equatorial coordinates to galactic coordinates
By: compiled and drawn ... by R.N. & M.W. Mayall
Contributors: Harvard College Observatory
Publisher: s. n.
Published: 1933
Place of publication: Cambridge, Mass
Language: eng
Subjects: Coordinates; Charts, diagrams; Measurement; Astronomy
Notes: Title from cover.

At head of title: The Astronomical Observatory of Harvard College.

"These charts were compiled and drawn from data obtained at the Observatory by R.N. & M.W. Mayall - 1927, revised and redrawn March 1933."