Refining gold.
<video controls autoplay loop style="max-width: 100%;">
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17378495612822.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
Previously:
Extracting gold from gold-plated plastic pieces - GIF
Gold beating in 1959 - GIF
Gold leaf cutting jig - GIF
Gold-coated face shield for foundry - GIF
Handling gold leaves - GIF
Making a 1-kilo gold chain - video
Meteorite and gold revolver - GIF
