I have added some great material from a 1920's Ronaldson-Tippet catalogue to my site. It shows the manufacturing of an engine from pig iron to the completed product: http://www.oldengine.org/members/pml/austreg/fttf/index.htm Patrick M Livingstone 0418 692013 Earlwood NSW http://www.oldengine.org/members/pml/Index.html