RECENT DISCOVERIES.
Reading edition
Improvements in the Telescope, 414
Rosse's Leviathan Telescope, 415
Pulkova and Cambridge Telescopes, 415
Improvements in instrumental Measurements, 416
New Planets and Asteroids, 416
Great Comet of 1843, 417
Distances of the Stars, 418
Discovery of Neptune, 419
Recent telescopic discoveries, 420
Longitude by the Electric Telegraph, 422