The Air Brake: A Practical Presentation Of The Modern Developments Of The Air Brake For Steam And Electric Railroad Trains is a book written by Llewellyn V. Ludy and first published in 1913. The book provides a comprehensive overview of the air brake system used in railroad trains during the early 20th century. The author explains the principles of the air brake system and its components, including the brake valve, brake cylinder, triple valve, and air compressor. He also covers the history and evolution of the air brake system, from its invention by George Westinghouse in the 1860s to the modern developments of the early 1900s.The book is aimed at railroad engineers, conductors, and mechanics who are responsible for maintaining and operating the air brake system. It includes detailed instructions for inspecting, repairing, and adjusting the air brake system, as well as troubleshooting common problems.Overall, The Air Brake is a valuable resource for anyone interested in the history and technology of railroad transportation, particularly the development of the air brake system.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.