Revision as of 03:03, 7 September 2011 by Dorkmo(talk | contribs)(Created page with " some basic ideas/drawings for steam engine valves <html><img src="https://docs.google.com/drawings/pub?id=1dA0vEBPAsBfBWEjsxInusMSgBvuwlrC1CNOYn0ehDTk&w=367&h=264"></h...")