1:

Other Modern Radial Valve
Gears for Locomotives

A PRACTICAL TREATISE ON THE LOCOMOTIVE VALVE
ACTUATING MECHANISM INVENTED BY

EGIDE WALSCHAERT

With the History of Its Development and Its Evolution into
the Mechanically Correct Locomotive Valve

Gear of the Present Day.

IN FIVE GENERAL DIVISIONS, EMBRACING:
Analysis of the Walschaert Valve Motion.-Designing and Erect-
ing the Gear.-Proofs of the Superiority of the Walschaert
Gear in Locomotive Service.. Catechal Questions

and Answers for Instruction and Examination.

Modern Radial Valve Gears Other than the Walschaert, with Full
Explanations, and Questions and Answers relative to Break-
downs and their Repair of such Gears, while on the Road.

BY W. W. WOOD, Air Brake Inspector

SCIENCE

TRANSPORTATION 877

MAR 30 1927

NIVERSITY

THIRD EDITION, REVISED AND ENDIN

OF MICHIGA

Fully Illustrated with Sketches and Diagrams and Containing
Large Folding Plates and Diagrams of Different Types of the
Walschaert and Other Radial Valve Motions, with Mov-
able Cardboard Working Models of the Valves.

NEW YORK

THE NORMAN W. HENLEY PUBLISHING CO.
4 West 45th Street,

Composition. Printing and Electrotyping by
PUBLISHERS PRINTING COMPANY, New York, U. S. A.