"It discusses almost every phase of the subject."—The Engineer.

"All of the essentials of construction and operation are to be found in it."—The Automobile Review.

The book is published in handy pocket size 3½ × 5½ inches and is handsomely bound in flexible leather.

Sent prepaid to any address for $1.50

The Gas Engine Publishing Co.

ALSO PUBLISHERS OF

THE GAS ENGINE MAGAZINE,

330 West Ninth St., CINCINNATI, O.


No. 1. Harrison Cell