PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON. From November 21, 1878, to April 24, 1879. VOL. XXVIII. LONDON: HARRISON AND SONS, ST. MARTIN'S LANE, Printers in Ordinary to Her Majesty. MDCCCLXXIX. CONTENTS. On a method of using the Balance with great delicacy, and on its Employ- ment to determine the Mean Density of the Earth. By J. H. Poynt- ing, B.A., Fellow of Trinity College, Cambridge, Demonstrator in the Page Account of Grants from the Donation Fund in 1877-78 Account of the Appropriation of the sum of £1,000 (the Government Grant) annually voted by Parliament to the Royal Society, to be employed in aiding the advancement of Science Account of Appropriations from the Government Fund of £4,000 made by the Lords of the Committee of Council on Education, on the recom- |