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On the Corrections in the Elements of Delambre's Solar Tables required by the Observations made at the Royal Observatory, Greenwich. By George Biddell Airy, Esq. M.A. | page 328 | |
Experiments to determine the Difference in the Length of the Seconds Pendulum in London and in Paris. By Captain Edward Sabine, Sec. R.S. | 329 | |
On the Measurement of High Temperatures. By James Prinsep, Esq. | 331 | |
On Captain Parry's and Lieutenant Foster's Experiments on the Velocity of Sound. By Dr. Gerard Moll | 332 | |
An Account of a Series of Experiments made with a view to the Construction of an achromatic Telescope with a fluid concave Lens, instead of the usual Lens of Flint Glass. By Peter Barlow, Esq. F.R.S. &c. | 333 | |
A Catalogue of Nebulae and clusters of Stars in the Southern Hemisphere, observed at Paramatta in New South Wales. By James Dunlop, Esq. | 334 | |
An Account of Trigonometrical Operations in the Years 1821, 1822, and 1823, for determining the Difference of Longitude between the Royal Observatories of Paris and Greenwich. By Captain Henry Kater, V.P.R.S. | 335 | |
On the Phenomena of Volcanoes. By Sir Humphry Davy, Bart. F.R.S. | 338 | |
Abstract of a Meteorological Journal kept at Benares during the Years 1824, 1825, and 1826. By James Prinsep, Esq. | 340 | |
A Description of a vertical floating Collimator; and an Account of its application to Astronomical Observations with a Circle and with a zenith Telescope. By Captain Henry Kater, V.P.R.S. | 340 | |
On the Height of the Aurora Borealis above the surface of the Earth; particularly one seen on the 29th of March, 1826. By John Daiton, F.R.S. | 342 | |
A Comparison of the Changes of Magnetic Intensity throughout the Day in the Dipping and Horizontal Needles, at Treurenburgh Bay in Spitsbergen. By Captain Henry Foster, R.N. F.R.S. | 344 | |
Experiments relative to the Effect of Temperature on the refractive Index and dispersive Power of Expansible Fluids, and on the Influence of these Changes in a Telescope with a fluid Lens. By Peter Barlow, Esq. F.R.S. &c. | 345 | |
On some Circumstances relating to the Economy of Bees. By Thomas Andrew Knight, Esq. F.R.S. | 346 | |
On the Laws of the Deviation of Magnetized Needles towards Iron. By Samuel Hunter Christie, Esq. M.A. F.R.S. &c. | 347 | |
Description of a Sounding Board in Attercliffe Church, invented by the Rev. John Blackburn | 349 | |
On the mutual Action of Sulphuric Acid and Alcohol, and on the Nature of the Process by which Ether is formed. By Henry Hennell, Esq. | 350 | |
Experiments and Observations on Electric Conduction. By William Ritchie, A.M. F.R.S. | 350 | |
On Magnetic Influence in the Solar Rays. By Samuel Hunter Christie, Esq. M.A. F.R.S. &c. | 351 |