Photo-heliographic results 1874 to 1885
Subtitle: being supplementary results from photographs of the sun taken at Greenwich, at Harvard College, U.S.A., at Melbourne, in India, and in Mauritius in the years 1874 to 1885, and measured and reduced at the Royal Observatory, Greenwich
By: under the direction of Sir W.H.M. Christie.  (Appendix to the Greenwich observations, 1905)
Contributors: Christie, William Henry Mahoney, Sir, 1845-1922
Publisher: Printed for H.M. Stationery Office, by Neill
Published: 1907
Place of publication: Edinburgh
Language: eng
Number of pages: 321
Subjects: Sunspots.