Transcriber's Note
Every effort has been made to replicate this text as faithfully as possible, including obsolete and variant spellings and other inconsistencies. Text that has been changed to correct an obvious error is noted at the [end] of this ebook.
AGRICULTURAL ENGINEERING SERIES
E. B. McCORMICK, Consulting Editor
FORMERLY DEAN OF ENGINEERING DIVISION
KANSAS STATE AGRICULTURAL COLLEGE
AMERICAN
RURAL HIGHWAYS
McGraw-Hill Book Co. Inc.
PUBLISHERS OF BOOKS FOR
Coal Age — Electric Railway Journal
Electrical World — Engineering News-Record
American Machinist — Ingenieria Internacional
Engineering & Mining Journal — Power
Chemical & Metallurgical Engineering
Electrical Merchandising
Frontispiece