2. Alloys from which ornaments, vessels, statues, and coin were _cast_. Some of these contain lead, some zinc, and some are varieties of our brass. I shall designate these as cast metals or ornamental alloys. Those substances present in some quantity were evidently put in _intentionally_, and I have classed them as admixtures, while the unintentional ones in small quantities I have designated as impurities. I.--WEAPON BRONZES. _________________________________________________________________ | | | Country. | Essential | Admixtures. |Impurities. | constituents. | | __________|___________________|______________________|___________ | | | Egypt |Copper+ 6 to 14 tin| .. |Iron. Assyria | " +10 to 14 " | .. | .. Greece | " +10 to 12 " | .. |Fe. Ni. Co. Italy | " +11 to 16 " |Lead and Tin. |Ni. Fe. Gaul | " + 2 to 15 " | .. | .. Britain | " + 7 to 14 " |1 to 3 per. ct. lead. |Iron Alps | " + 8 to 12 " |Trace to 1 p. c. lead.|Fe. Ni. Bohemia | " + 5 to 11 " | .. |Fe. S. N. Germany| " + 8 to 16 " | .. |Nickel. Denmark | " + 6 to 12 " |To 1 p. c. zinc. |Ni. Co. Russia | " + 9 to 16 " |Lead |Ni. __________|___________________|______________________|___________ II.--CAST METAL FOR ORNAMENTS. _________________________________________________________________ | | | Country. | Essential | Admixtures. |Impurities. | constituents. | | __________|___________________|______________________|___________ | | | Egypt |Copper+ 4 to 11 tin|7 to 17 lead. |Traces Assyria | " +10 to 14 " | .. |Pb. Fe. Ni. Greece | " + 6 to 12 " |Lead. |Fe. Ni. Italy | " + 1 to 7 " |Zinc, lead. |Fe. Ni. Gaul | " + 5 to 15 " |Lead | .. Britain | " + 5 to 15 " |2 p. c. lead. |Nickel. Alps | " + 4 to 12 " |Zinc. |Pb. Fe. Ni. Bohemia | " + 4 to 11 " |Lead. | .. N. Germany| " + 6 to 17 " |Pb. rarely zn. |Ni. Denmark | " + 5 to 12 " |1 p. c. zn. |Fe. Ni. Co. Russia | " + 7 to 16 " |Pb. zn. |Ni. __________|___________________|______________________|___________ The following general statements are based upon these tables: