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oe MARINE for instance, shows that a roll of 20 degrees on a side when the gyro is not functioning, instantly is cut down to 2 degrees or less on setting the gyroscope in motion. In late years, Mr. Sperry has devoted further attention to arc lights and about 11 years ago perfected his high intensity are searchlight. This has 700 per cent more brightness than any previous artificial light. Mr. Sper- ry’s new light now is the standard for the principal armies and navies of the world and has many other applications. The use of this light has revolutionized the production of motion pictures and also is utilized for projecting motion pictures on the screen. Some 30 years ago, Mr. Sperry produced his first compound internal combustion engine and from time to time has made substantial contributions toward the development of such engines. His greatest achievement in this field is his compound diesel engine which con- sumes fuel oil of the lowest grade. It is an exceedingly light engine and gives promise of becoming available for aircraft. This application will remove the fire hazard, which, with more volatile fuels comprises the greatest danger to aviators. Numerous highly scientific inventions have been made by Mr. Sperry for the United States government. These include gun fire control apparatus, sighting devices, stabilized cameras, and electrically sustained gyroscopes for torpedoes. He is an active member of the Naval Consulting board. It is considered that his contributions to American and foreign governments during the late war were of inestimable value. Mr. Sperry is a charter member and founder of the American Institute of Electrical Engineers, the Amer- ican Electrochemical society, and the National Electric Light association, a fellow of the National Academy of Sciences, a member of the Alpha Chapter of the Society of the Sigma Xi, a member of the American Society of Mechanical Engineers, American Chemical society, Society of Naval Architects and Marine Engineers, Society of Auto- motive Engineers, American Physical society, New York Electrical society, American Petroleum institute, Edison Pioneers and Japan society. He is also an honorary REVIEW December, 1926 member of two Japanese engineering societies: the Society of Mechanical Engineers and the Society of Naval Archi- tects. His clubs are the Engineers’, Army and Navy, Engineers’ Golf and Country, Suffolk County Golf and Country, Hamilton club and the Garden City Golf club. He has been honored with the degrees of Doctor of Engineering by Stevens Institute of Technology, and Doc- tor of Science’ by Northwestern university. Untiring energy has spurred on Mr. Sperry all through his career. No hours are too long and no per- sonal sacrifice too great when he visualizes a problem which he seeks to solve. As in his. boyhood days, when he preferred to turn out better baseball bats to actually playing baseball, he consistently and primarily has been an inventor. It is a fact known to all his friends that he gained fortunes on some of his inven- tions only to expend them in achieving others, and that Mr. Sperry has known adversity. Despite the intensity that characterizes Mr. Sperry in his research work, he is an absolutely human man. He .is warm-hearted and loyal and, despite his labors, has had time to form many fine friendships. He is especially entnusiastic in support- ing movements that have to do with the encouragement of aviation in this country. For many years a resident of Brooklyn, Mr. Sperry is known for his hearty participation in movements affect- ing the welfare of the community. He is a member of the general board of the Young Men’s Christian associa- tion and is especially enthusiastic over the work that is being done by that body in China. Recently he built a fine residence at Bellport, Long Island, where he now resides. His principal recreation is golf, Mr. Sperry was decorated by the late Czar Nicholas of Russia for navigational equipment. In 1922 he received the Order of the Rising Sun from the Emperor of Japan. He has received various awards in addition to those mentioned. At the World Columbian exposition in 1894, his mining machines received honorable mention. The Franklin Institute medal was awarded to him in 1914. The grand prize, for the gyro compass and gyroscope, was awarded to him at the San Francisco exposition in 1915. He has the American Museum of Safety medal. Launch Large Carterry at Manitowoc HE large steel carferry GRAND depth molded, 21 feet 6 inches. The vessel is a twin screw steamer of steel construction throughout, ex- Rapips, building for the Grand Trunk railway system, Canada, was launched at the yards of the Manitowoc Shipbuilding Corp., at Manitowoc, Wis., on Oct. 23, Miss Merlyn F. Bowker, daughter of ©. 'G, Bowker, general manager of Grand Trunk system, acted as sponsor. The steamer GRAND RAPIDS is de- signed to transport railway cars across Lake Michigan and represents the latest type of vessel for this class of service. The construction, machin- ery and equipment are of the highest, quality and workmanship throughout and when completed, the boat will be placed in service between the ports of Milwaukee, Wis., and Grand Haven, Mich. The principal dimensions of the vessel are; length over all, 360 feet, length between perpendiculars, 848 feet; breadth molded, 56 feet; cept the inside cabin finish, and it has a specially constructed heavily reinforced bow for ice service. THE LARGE STEEL CARFERRY GRAND RAPIDS LAUNCHED AT MANITOWOC OCT. 23, 1926—BUILDING FOR GRAND TRUNK RAILWAY FOR SERVICE BETWEEN MILWAUKEE AND GRAND HAVEN, MICH.