Refraction.
Great Britain. Admiralty. Royal observatory, Greenwich.
Appendix to the Greenwich observations, 1836. Com- puted under the direction of George Biddell Airy. London: J. Murray. 1837. (1), lxxiii pp. 4°.
**5090.76 Contents. - Bessel's refraction tables; Table of factors for converting errors of right ascension and north polar distance into errors of longitude (Continued )