Since the publication of the first book, the author has designed and built several more engines ranging from a delightful little turbine to a larger engine in the style of the magnificent 'Steam Engines of the Highest Class' offered by toymakers before WW1. Fully detailed methods of construction with the beginner in mind.
A guide to building simple oscillating steam engine models. It describes the making of four such models: "Kitty", a small overtype engine; "Otto", a simple steam turbine plant; "Wencelas", a superior Christmas present; and "Henry" a 19th-century vertical engine and boiler.