Miscellaneous astronomical methods, new inventions and instruments sent in by various scientists and interested parties. The correspondents include W. De La Rue, E. Dunkin, H.A.E.A. Fayé, U.J.J. Le Verrier, W. Lassell, Lord Rosse and F.A.T. Winnecke. There are pieces on barrel and water clocks, an article on the Royal Observatory from 'The Engineer', improved diaphragms for determining star magnitudes, finding longitude and latitude at sea, observations of Sirius for navigation and instrument catalogues. There are also drawings of a governor and a photograph of a drawing of a telescope due for Melbourne.