The Walschaert Locomotive Valve Gear
New York: The Norman W. Henley Publishing CO., 1908. First. Hardcover. 19 x 13 cm. Bound into red cloth. Includes the two small inserts in the front pocket (Inside / Outside Admission Valve). Several large fold-out technical diagrams as well as many other smaller in-text and full page illustrations. Illustrations in nice condition. Spine is sun toned. Very Good. Item #90611
Title continues: "A Practical Treatise on the Locomotive Valve. Actuating mechanism originally invented by Egide Walschaerts with the history of its evolution into the mechanically correct locomotive valve gear of the present day. In four general division, embracing: analysis of the motion. - Designing and erecting the gear. - Proof of the superiority of the Walschaert gear in locomotive service. - Catechal questions and answers for instruction and examination. Intended for the engineer or mechanic who wishes to extend his knowledge of locomotive valve gears to the type that is rapidly superseeding the Stephenson eeccentric motion of the past century."
Price: $50.00
