Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
And on the other hand the defenders, when the huge ram was already drawing near to shake down a tower which stood in its way, by a subtle device entangled its projecting iron end (which in fact has the shape of a ram’s head) on both sides with very long ropes, and held it so that it might not move back and gather new strength, nor be able with good aim to batter the walls with repeated lunges; and in the meantime they poured down scalding-hot pitch. And the engines which had been brought up stood for a long time exposed to the huge stones and to the missiles.
And now, when the mounds were raised still higher, the garrison, fearing that destruction would soon be upon them unless they should rouse themselves, resorted to utter recklessness. Making a sudden rush through the gates, they attacked the foremost of our men, with all their strength hurling upon the rams firebrands and baskets made of iron and filled with flames.