'These engines…possess no feature of absolute novelty, but are good examples of neat and compact design combined with substantial detail and good workmanship. A prominent feature is the casting of the framework entirely in one piece, including the base, two plummer blocks, four standards, and the bottom covers of the cylinders… The cylinders are 5 in. in diameter, and have a stroke of 6 in…. Messrs. Wilson and Co. have supplied these engines to several small yachts and ferry boats…'