Sea Power and Central Asia

By Felix Howland
June 1940
Sea power is both economic and mili­tary. It implies the use as well as the control of navigable waters. This use, however, is dependent upon factors often very remote from ...

Performance of a Medieval Cannon

Translated, by Professor William Popper, University of California, Berkeley, California
June 1940
From Ibn Taghri Birdi’s Chronicles of EgyptIn these days of precision measurement and of scientific study of ordnance problems, we are apt to forget the many years in history when ...

Performance of Abu'l-Mahasin's Royal Cannon

By Commander J. W. Roper, U. S. Navy
June 1940
Despite the pains taken by Abu’l-Mahasin to obtain his data for post­firing analysis, we are left without a number of items essential as a basis for calculations to verify the ...


By Lieutenant Commander T. W. Sheridan, U. S. Naval Reserve
June 1940
Years ago, in one of the old American liners, bound west from Daunts Rock to Ambrose, we hove to in the choppy seas off the south coast of Ireland to ...

Oslo Viking Ship Hall

By Brockholst Livingston
June 1940
Interest in the preservation of our historic naval vessels focuses attention on what is being done along these lines in other countries. Outstanding among all the examples of ship preservation ...

The Vikings

By Vice Admiral W. L. Rodgers, U. S. Navy (Retired)
June 1940
From Naval Warfare under Oars, 4th to 16th CenturiesEditor’s Note.—The following extracts from the latest book by Vice Admiral William Ledyard Rodgers, U. S. Navy (Retired), just published by the ...

The Battle of Manila Bay

By John T. McCutcheon and Thomas A. Bailey
June 1940
Editor’s Note—The author of this letter was correspondent of the Chicago Record in the Far East and was on the Olympia during the Battle of Manila Bay. The letter ...

Incident in the Baltic

By Lieutenant G. F. Schultz, U. S. Navy (Retired)
June 1940
The World War of 1914 had actually begun. After a fruitless, last-minute exchange of telegrams with Emperor Wilhelm, Tsar Nicholas II had decided to mobilize the vast forces of all ...

Discussions, Comments and Notes

June 1940
Los Jardines (E.D.)(See page 520, April, 1940, Proceedings)Rear Admiral J. K. Taussig, U. S. Navy.—The paper by Captain Bryan in the April number of the Proceedings brings out in a ...

Book Reviews

June 1940
Naval Warfare Under Oars, 4th to 16th Centuries. By William Ledyard Rodgers, Vice Ad­miral, U. S. Navy (Retired). Annapo­lis: U. S. Naval Institute. 358 pp. $5.00. 1939.Reviewed by Robert ...

Notes on International Affairs

June 1940
War ExtendedInvasion of Low Countries.—On May 10 (the date when these Notes go to press) German forces invaded Belgium, Holland, and Luxemburg by land and air, and Italian forces were ...

Professional Notes

June 1940
To April 30, 1940UNITED STATES New Micro-BalanceBaltimore Sun, April 19.—Although American scientists have been cut off by the European war from the supply of high-precision instruments formerly imported from Germany, ...

Digital Proceedings content made possible by a gift from CAPT Roger Ekman, USN (Ret.)