Note 453 — Chapter XII · GUNPOWDER
Reading edition
In 1580 saltpetre was selling in the north-west of India at a half-penny a pound. “Manufacture of Gunpowder,” Col. W. Anderson, 1862, p. 16.
Reading edition
In 1580 saltpetre was selling in the north-west of India at a half-penny a pound. “Manufacture of Gunpowder,” Col. W. Anderson, 1862, p. 16.