Progressive Questions And Answers Westinghouse Air Brake 1916 Edition For Sale

This is a rare and valuable 1916 edition of the Progressive Questions and Answers Westinghouse Air Brake manual. It contains detailed information about the operation and maintenance of air brakes used in the United States. The manual is a valuable resource for collectors, historians, and train enthusiasts. It is in good working condition and has been well-preserved over the years. Excellent condition except for some mild water stain for first 20-30 pages. Does not interfere with written material. See pictures.