In February, we are talking about metal alloys. There are more than 5,000 of them, and new ones are constantly appearing. It is unlikely that we will have time to tell about everything in a month, but at least we will start.
Today we will tell you about tombac. It is an alloy of copper and zinc. In a proportion of about 90/10. It has been known since ancient times, and was often used to imitate gold. Nowadays, trombones, cartridge cases, coins, ritual congas and medals are made from it. We hope that you have all of the above tombac items at home.
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