Cheers G. It looks like you're spot-on.
I was looking north and east. This diagram makes some sense of Camdens triple circle.
http://www.themodernantiquarian.com/post/36286
Thanks again G, you're some fella.

Now what about reviving the bow-shot?
I reckon Rich and Mr Wolf are busy re-writing their letters to santa to include a longbow and a quiver of arrows to add to their ever growing field kits. Of course Rich's bow will come with an unfeasbly large carrying case.