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Shock, William Henry

naval officer, was born June 15, 1821, in Baltimore, Md. In January, 1845, he entered the United States naval service. He served under Commodore Perry during the Mexican war; and under Admiral Farragut during the civil war. In 1877 he was appointed engineer-in-chief of the United States navy; and retired in June, 1883 (age limit under the law) with rank of commodore. He is a member of the Military Order of the Loyal Legion of the United States; National Geographical society, American Society of Naval Engineers, Society of Naval Architects and Marine Engineers, and the Philosophical society of Washington, D. C. He is the author of Steam Boilers, Their Design, Construction and Management.

SHOEMAKER, GEORGE WASHING- TON, inventor, was born Dec. 14, 1861, near Williamsport, Pa. Having mechanical ability, he made various improvements in his father's woolen mill, and in 1886 invented a ring-machine, by which wool-spinning may be carried on continuously.