Excerpt from Complete Air Brake Examination Questions and Answers: Westinghouse New York Systems Q. Have any other improvements been introduced in air brake practice since the development of the quick action brake? A. Yes; although the underlying principles of the brake proper remain; still many supplementary improve ments have been added in recent years. Q. Describe in brief the' parts that comprised the straight air brake. A. The air pump, the reservoir, the three way cock in the engineer's cab, for manipulating the pressure in and out of the brake pipe; the brake pipe, for conveying the air back to the brake cylinders, and the brake cylinder and its attachments under the car. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.