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The Manufacture of Soluble Glass
1870
Scientific American
Preserved Fulltext
225 one thing to refute a proposition and another to prove the truth of a doctrine which implicitly, or explicitly, contradicts that proposition; and the advance of science soon showed that, though Needham might be quite wrong, it did not fol low that Spallanzani was quite right.
doi:10.1038/scientificamerican10081870-225
fatcat:5vfhaqpbqbb7xnbgdfr52n7fxu