Thornycroft InboardCollection Highlights | Updated 10 years ago Thornycroft Inboard - donated by Ken Hill, Nedlands Image copyright of WA Museum In 1976 Cyclone Vanessa swamped and washed ashore a launch where this particular marine engine was salvaged. It is a four cylinder Thornycroft built in 1929. The engine has been cut away so that you can see the mechanics of the engine operating as it turns over. Marine engine, science and technology collection Robert Steele Steam Machinery Exhibition