Abstract :
The following volumes have been received and placed in the Library of the Institute: Dynamo-Electric Machinery. By Silvanus P. Thompson, D. Sc., B.A., F.R.S. Seventh edition (corrected). Vol. I. Continuous Current Machines. 984 pages. Illustrated. New York: Spon & Chamberlain. London: E. & F. N. Spon, Ltd. 1904. Price, $7.50.
