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Coffin, James Henry

astronomer, author, was born Sept. 6, 1806, in Williamsburg, Mass. He was a meteorologist who was professor of astronomy at Lafayette college. He was the author of Solar and Lunar Eclipses Illustrated and Explained; Winds of the Northern Hemisphere; Psychometrical Table; Orbit and Phenomena of a Meteoric Fire Ball; Elements of Conic Sections and Analytical Geometry; and Winds of the Globe. He died Feb. 6, 1873, in Easton, Pa.

COFFIN, JOHN HUNTINGTON CRANE, mathematician, author, was born Sept. 14, 1815, in Wiscasset, Maine. He was a mathematician of distinction; and the author of Observations with the Mural Circle at the United States Naval Observatory; The Compass; and Navigation and Nautical Astronomy. He died in 1890.