How can I get Babylon expert system documentation?

In addition, there were also planned very large cannons which would be capable of being elevated and trained, and made from special alloys discovered during the work on Baby Babylon that were unusually strong and light. The first had a bore of 350mm and a barrel length of about 30 metres (about 100 feet), and it was expected to have a range of up to 750 kilometres (about 415 miles); some sources indicate that there was a second (and larger) had a bore of 600mm and a barrel length of about 200 feet.