It was usual for the enemy to fire on cross roads and similar targets in salvoes of four.
"The Story of the "9th King's" in France"
Enos Herbert Glynne Roberts
All around us was the noise of guns, firing in great salvoes across the hills, ten miles or more away.
"The Soul of the War"
Philip Gibbs
The Thuringian city was ablaze with uniforms, and the cannon thundered salvoes of welcome as the two potentates and their suites entered the ancient walls and filed through narrow streets redolent of old German calm, an abode more suited to the speculations of a Luther than to the world-embracing schemes of the Emperors of the West and East.
"The Life of Napoleon I (Volumes, 1 and 2)"
John Holland Rose