This comprehensive manual from the Baltimore & Ohio Railroad Company is a must-have for any serious collector or enthusiast of railway history. Filled with detailed information about air brakes, this manual covers everything you need to know about this important system.

Whether you're looking to expand your collection or simply want to learn more about the history of the railroad industry, this manual is the perfect resource. With its complete coverage of air brakes and its detailed instructions, this manual is sure to be a valuable addition to your library.