Correspondence between J.R. Hind, Airy and W.H.M. Christie concerning the 'Nautical Almanac', regarding the date inserted in the almanac. The papers include work on the Moon's place and its error, a paper on sun spot activity, the rising and setting of the Moon at various places, a chart of local time compared to Greenwich time, and requests from various people for specific information regarding the Moon. The correspondents include T.E.V. Oppolzer, Sir D. Gill, D. Todd, F.W. Very, H.E. Bruns, A.V. Auwers and C.L. Doolittle. |