Gibbs, Jesse Berthold, 1882- [from old catalog] Transformer principles and practice / Jesse Berthold Gibbs - 2d ed. - New York : McGraw-Hill, c1950. - xi, 236 p. : illus. ; 23 cm. Includes index. Subjects--Topical Terms: Electric transformers. Dewey Class. No.: 621.3143 / GIT 1950