Note 409 — Chapter VI · THE PROTO-SIDERIC OR EARLY IRON AGE OF WEAPONS.
Reading edition
The people of Camarones River, Bight of Biafra, work up old cask and bale hoops into very creditable edge-tools and weapons, hoes, knives, and Swords (Rev. G. Grenfell, Proc. Roy. Geolog. Soc. Oct. 1882).