Note 268 — Chapter V · THE SECOND CHALCITIC AGE OF ALLOYS[242]—BRONZE, BRASS, ETC.: THE AXE AND THE SWORD.
Reading edition
According to Messrs. Wibel, Fellemberg, and Damour, who investigated even 10/1000 parts, the average proportions were ⅒ tin to 9 copper; and ¼ tin for hard metal, as chisels, &c. M. E. Chauntre, Age de Bronze. 3 vols. (Paris: Baudry.)