Ionising salt for ancient goldsmiths soldering
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Old soldering means by Roger of Helmarshausen
30:07
55 Times Mother Nature Got Angry on Camera
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New technology of goldsmith silver with gold inlays star disc
18:11
Turning a BLOB into PURE GOLD!
20:55
How Medieval Peasants Survived Freezing Winters
43:45
Building A $7,000 Dagger In 2 Months
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Pegasus fine gold on fine silver granulation Cloisonné
23:43