Gunpowder and Ammunition, Their Origin and Progress

by H. W. L. Hime

[44] Thucydides, vii. 43.

[45] Diodorus Siculus, xx. 88.

[46] Vergil, Æn., ix. 705; Lucan, Phars., vi. 199.

[47] Tacitus, Hist., iv. 23.

[48] De Re Militari, chap. viii. See Table II.

[49] xxiii. 4.

[50] Thucydides, ii. 77.

“E lor porge di zolfo e di bitumi

Due palle, e’n cavo rame ascosi lumi.”

—Tasso, Ger. Lib., xii. 42.