MINUTES OF PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS; 1750 WITH OTHER SELECTED AND ABSTRACTED PAPERS, VOL. LXIV. EDITED BY JAMES FORREST, Assoc. INST. C.E., SECRETARY. LONDON: Published by the Enstitution, 25, GREAT GEORGE STREET, WESTMINSTER, S.W. 1881. [The right of Publication and of Translation is reserved.] Sei 1490.72 JUN 20 1917 ADVERTISEMENT. The Institution as a body is not responsible for the facts and opinions advanced in the following pages. LONDON: PRINTED BY WM. CLOWES AND EONS, LIMITED, STAMFORD STREET AND, CHARING CROSS. Admission of Students . Election of Members, Associate Members, and Associates "Portsmouth Dockyard Extension Works." By C. COLSON. (4 plates) 118 Appendices to ditto: I. Proportions of sand, cement and shingle used in |