B-12 was replacement for cobalt glass. Can't patent cobalt. - Conspiracies

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B-12 was replacement for cobalt glass. Can't patent cobalt. (twitter.com)

posted 104 days ago by Dps1879 104 days ago by Dps1879 +12 / -2

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– no_ez 1 point 101 days ago +1 / -0

lead was used a lot in glass. That’s one “nutrient” you can get from a fancy antique liquor decanter.

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