Lieut. R.N.V.R., late of the Staff of H.M. School of Submarine Mining AUTHOR OF "SUBMARINES & SEA POWER" "SUBMARINES OF THE WORLD'S NAVIES" "SUBMARINE ENGINEERING OF TO-DAY" &c. &c. &c. WITH 53 ILLUSTRATIONS LONDON SEELEY, SERVICE & CO. LIMITED 38 Great Russell Street 1920 |