For the Love of History
Showing posts with label
Chinese chain pump
.
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Showing posts with label
Chinese chain pump
.
Show all posts
Saturday, October 12, 2013
Eureka Moments Revisited, Part 8, Amazing Feats of Levitation or How Ancient Technology Met Gold Rush Challenges
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I've always found it curious that very few "new" placer mining techniques came out of the California Gold Rush. The re...
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