Queequeg, I thoroughly enjoyed the book
TaiPan, and I too was wondering about the fighting iron. While I knew about the 9-section chains and Kau sin ke, I wasn't sure what this fighting iron was either. The fact that the European characters used them as well was confusing.
Vandoo, I might be wrong...
but that looks to me like a South Indian aruval without its handle!
See how the wide bottom part is like a billhook blade, and the top has a hand guard?
here's an example of one... looks like it could be, eh?