London. Mr. Charles Gilbert. 02-09- 1872.
Wood-engraving, 12 x 19 inches on sheet size 13 1/4 x 19 1/2 inches, centerfold as issued, tipped-in on unrelated text sheet, from the February 9, 1872 issue of Engineering. Very good clean condition. Attractive illustration showing the inner workings of the locomotive. Includes a cross section view, rear view, and top view. Information at lower right includes Diameter of Cylinders, Stroke, Diameter of Wheels, plus square footage of the Heating Surface. Item #48470