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~ Latest Marine News in Pictures Naval officers, engineers and representatives of shipping com- panies on April 13 witnessed at the plant of the Westinghouse Electric & Mfg. Co. a _ suc- cessful test of the world’s larg- est gyroscope, to be installed on the steamship Hawkeye State, one of the shipping board’s 535-foot liners which is being reconditioned for the United States Lines to be in the North Atlantic run. While similar devices have been used in yachts and small vessels this will be the first to be installed in a large passenger ship. The gyroscope was built to specifica- tions of E. A. Sperry, inventor Oil pipe installations on the Bethore are shown in the two _ illustrations above, the description of this combination oil and ore carrier being given on the preceding page. Small views show wreck of steamer Omar D. Con- ger, damaged by boiler ex- plosion while at Port Huron, Mich. The illustration shows the gyro rotor of the Sperry stab- ilizer being lowered into the stabilizer case. It is claimed that this gyro, 13 feet in diam- eter, will prevent all rolling on a 20,000-ton liner. The de- vice operates on the principle of the common toy gyroscope, and its operation is controlled by smaller gyroscopes placed alongside the vessel which reg- ister the direction of the roll and automatically start the ro- tor revolving in the direction necessary to counteract the mo- tion of the ship. It will be tried out on the Hawkeye State in the run between Baltimore and Honolulu World’s largest ferry kelping in evacuation of English troops and war material from Ireland. The photograph shows _ the London ttrain ferry at Cork receiving motor lor- ries, armored cars and other heavy stores’ for transshipment to England