...Through his researches the inventions of clocks, lenses, andthe formula for extracting phosphorus, manganese, and bismuth werebrought to light...
Dr. D.M. Brooks 「The Necessity of Atheism」
...Milky quartz was scattered over them, although no similarformation was visible; of manganese, basalt, and ironstone, with othersubstances, there were now no indications...
Charles Sturt 「Expedition into Central Australia」
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