The Roman History · Amm. 20.11.13

The days and nights being alike spent in watching, made each side the more careful; and the Persians, being alarmed at the vast height to which the mounds were now carried, and at the enormous ram, which was accompanied by others of smaller size, made great exertions to burn them, and kept continually shooting firebrands and incendiary missiles at them; but their labour was vain, because the chief part of them was covered with wet skins and cloths, and some parts also had been steeped in alum, so that the fire might fall harmless upon them.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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