ᐅ But it must not be forgotten that ... glass and porcelain were manufactured, stuffs dyed and metals separated from their ores by mere empirical processes of art, and without the guidance of correct scientific principles. – Justus von Liebig | QuotesTrue.com

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But it must not be forgotten that ... glass and porcelain were manufactured, stuffs dyed and metals separated from their ores by mere empirical processes of art, and without the guidance of correct scientific principles.

Justus von Liebig

David M. Knight, Justus von Liebig (1998). “The Development of Chemistry, 1789-1914: Familiar letters on chemistry”, p.2, Taylor & Francis

1685

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