500с

1928г

__563

The Story of Engineering in America

I u*OBEP£HO

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

HO !

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