Airy, Sir George Biddell.
Account of the Northumberland equatorial and dome attached to
Cambridge Observatory. Cambridge. University Press. 1844. (1), 39 pp. 19 plates. 4°. **E175.14 Same. (Ju University of Cambridge. Astronomical Observatory. Astronomical observations. Vol. 15. Appendix. No. 2. Cam- bridge. 1848.) ¥*E150.1.15
This card was printed at the Boston Ge Public Library, September 23, 1924. 378 — University of Cambridge’ mical Observatory. — Astronomical
observations.