A method of avoiding personal equation in transit observations
By: by S. P. Langley.
Series: Smithsonian miscellaneous collections -- v. 45, art. 18; Publication -- 1446; Publication (Smithsonian Institution) -- 1446.
Publisher: Smithsonian Institution
Published: 1904
Place of publication: Washington
Language: eng
Number of pages: 229
Subjects: Personal equation.