The Roman History · Amm. 19.6.10

And while many trumpets in turn poured out their clang from the city, the gates were opened to receive our men, if they should be able to reach them: and the engines for missiles creaked, though no javelins were shot from them, in order that the captains of the advanced guard of the Persians, ignorant of the slaughter of their comrades, might be terrified by the noise into falling back, and so allowing our gallant troops to be admitted in safety.

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
Passage preview. Read in context for the complete text, notes and references.