SUBMARINE WARFARE OF TO-DAY
British Official Photograph
The White Ensign is hoisted over the German Eagle.
SUBMARINE WARFARE
OF TO-DAY
HOW THE SUBMARINE MENACE WAS MET AND VANQUISHED,
WITH DESCRIPTIONS OF THE INVENTIONS AND DEVICES
USED, FAST BOATS, MYSTERY SHIPS, NETS, AIRCRAFT,
&c. &c., ALSO DESCRIBING THE SELECTION
AND TRAINING OF THE ENORMOUS
PERSONNEL USED IN THIS NEW
BRANCH OF THE NAVY