Walschaerts Valve Gear, Record No. 100-A, originally published by Baldwin Locomotive Works Pennsylvania, 1925. Reprinted by Engineers & Engines magazine, Bethlehem, Md., 2020. 11 x 8½ (landscape) photocopied booklet, 34 pages.

Please note these are new photoduplicated reproductions, not originals.  The accompanying pictures were scanned from reprints, not the originals.

Contents:

•  Method of Setting Vales with Walschaerts Gear
•  Setting of Outside Admission Slide Valves
•  Corrections
•  Setting of Inside Admission Piston Valves
•  Corrections
•  Setting of Outside Admission Piston Valves
•  Setting the Valves on Three-Cylinder Locomotives
•  Obtaining Length of Double Eccentric Crank
•  Breakdowns
•  Reproducing Model of the Walschaerts Valve Gear