Early bronze items.
3 3 c m
40cm
actual image size: 32cm x 25cm

Early bronze items.

© Science Museum / Science & Society Picture Library

Description

Bronze is an alloy of copper and tin, yellow or brown in colour. It is harder than pure copper, more suitable for casting and also resists corrosion. Bronze may contain as much as 25% tin, together with small amounts of other metals, mainly lead. Bronze is one of the earliest metal alloys known, and was used widely by early people in the period known as the Bronze Age (about 5000-1200 BC in the Middle East and about 2000-500 BC in Europe). Knowledge of bronze was slow to spread, and was dependent on the availability of tin, a scarce metal. The Aztecs did not discover the alloy until the 15th century, and in sub-Saharan Africa, Australasia and much of America there was never a Bronze Age at all.
 

Image Ref.

10255827
 

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