Scope and Contents Letters from various observatories on filling vacancies, the construction of time balls at Sydney and New Brunswick (with a plan), and the establishment of new observatories at Nottingham, Bristol and other locations. The correspondents include J. Challis, Sir W. Denison, C.E. Trevelyan, J.R. Hind, R. Stephenson, C.P. Smyth, C. Pritchard and M.J. Johnson. There are also two reports on Liverpool Observatory, a paper on Brussels Observatory, and a piece from 'Le Moniteur Universel' on the...

Scope and Contents Letters from various British and international observatories on filling vacancies at Sydney; requests for new instruments from Madras and other places; and the possible establishment of new observatories at Bristol and other locations. The correspondents include C.P. Smyth, J.C. Adams, R. Grant, N.R. Pogson, R.L.J. Ellery, O. Struve, W. De La Rue, F.A.T. Winnecke, Sir F. Galton, R.C. Carrington, A. de Morgan, J.C. Maxwell and T. Maclear. There is also a photograph of Fletcher's Observatory;...