Record

This technical manual, published by the Baldwin Locomotive Works in 1921, provides detailed instructions and specifications for the Walschaerts valve gear, a type of steam engine valve mechanism widely used in locomotives. With numerous illustrations, tables and diagrams, this book is an indispensable reference for railroad engineers, mechanics and enthusiasts.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.

Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.