R. H. THURSTON, M.A., LL.D., DR.ENG’G; _Director of Sibley College, Cornell University_; “_Officier de l’Instruction Publique de France_,” _etc., etc., etc._
[Illustration: Classical laurel wreath with ribbon banner bearing Greek text]
_SECOND, REVISED, EDITION_. FIRST THOUSAND.
NEW YORK: JOHN WILEY & SONS. LONDON: CHAPMAN & HALL, LIMITED. 1897.
Copyright, 1890, ROBERT H. THURSTON.
