The Theory of Measurements

THE author has prepared this treatise on the theory of measurements to meet the needs of students in engineering and advanced physics, arid to impress on them the importance of realising the significance and the precision of the measurements made.The Theory of Measurements.By Dr. A. de Forest Palmer. Pp. xi + 248. (New York: McGraw-Hill Book Co.; London: Hill Publishing Co., Ltd., 1912.) Price 2.50 dollars or 10s. 6d. net.