BOOKS IN EUROPEAN LANGUAGES
The Story of Engineering in America
By r . Jki
CHELSEA FRASER '
Author of " The Boy's Busy Book," "The Practical Book of Home Repairs," " Heroes of the Air,'' etc.
* • With One Hundred Drawings by the Author
and Eighteen Photographs
r 0 C y ß A P t* Ti' B E. H H A ii H R y U i i ft 51 BHBJi HOTEKA H.T.y.-B.C.ti.X. JET«». JStfe^^
NEW YORK THOMAS Y. CROWELL COMPANY PUBLISHERS