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The Three Ways to Test If Something Is Truly Solid Gold

4,430 Lượt xem· 10/24/23
Smithsonian Channel
Smithsonian Channel
1,606 Người đăng ký
1,606
Trong Discovery

When a stolen Kentucky Derby trophy from 1924 is uncovered, a series of tests are used to determine its authenticity. If it s real, they ll confirm that it s made of solid 14-karat gold. From:...

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