sunhawk43 wrote:Thank you, I had tentatively come to a similar conclusion; however, I do not recall that a "part of the walls had been destroyed' (1) prior to the "horse" being brought into the city, and (2) to such an extent that the horse could be pulled through it.
It is this passage itself which is telling you that the walls are destroyed. If I were translating this passage, I'd render the absolute phrase thus: "And so, after tearing down a section of the city walls, the machine was...."
(obviously "city" is not in the Latin, but makes the English smoother.)
I just started reading this chapter of LL today, and found it to be much more challenging than the previous one!