Scope and Contents Letters from various observatories on filling vacancies, requests for information and for advice on instruments, and the formation of new observatories. The correspondents include J.R. Hind, C. Pasley, T. Maclear (a testimonial), J. Challis, W.S. Jacob, R. Sheepshanks, C.P. Smyth, G. Fisher, C. Pritchard, O.M. Mitchel, Captain P.P. King, Sir J.F.W. Herschel, W.R. Dawes and J.P. Nichol. There are communications with J.D. Forbes on the possibility of time balls at Edinburgh; reports by 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;...

Scope and Contents Correspondence and related papers concerning the correction of compasses on iron ships. There are papers regarding investigations of compass deviation on the 'Trident'; the work and findings of the Liverpool Compass Committee; changes in the deviation of iron ships' compasses; 'Notes on the arrangements and practice of adjusting the compasses of iron ships at Liverpool'; Dr W. Scoresby's account of the voyage of the 'Royal Charter'; compasses of the 'Great Eastern', with ratings of the...