An Industrial Hall of Fame nominee Jack mentions his father's affinity for mining stocks (page 2), but doesn't have much to say (after all, it was his biography) about his mother's claim to fame as inventor of the flotation process, widely used in the mining industry to separate value-containing minerals from worthless base rock. It was an inventi....
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https://www.encyclo.nl/lokaal/10495
An Industrial Hall of Fame nominee Jack mentions his father's affinity for mining stocks (page 2), but doesn't have much to say (after all, it was his biography) about his mother's claim to fame as inventor of the flotation process, widely used in the mining industry to separate value-containing minerals from worthless base rock. It was an inventi....
Gevonden op
https://www.encyclo.nl/lokaal/10495
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