Freiberg, Germany/freiberg257

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This is the last page of Mendeleev's letter, dated 1886. His words, "I believe you have found a new element [as I predicted]" was prophetic. {LINK: Mendeleev's "new element" in Russia} Actually in this letter, Mendeleev prematurely predicts that the new element will be inserted between “antimony and bismuth” — but later corrects the identification of the new element as his predicted “eka-silicon” between silicon and tin. Mendeleev's signature can be discerned at the end of the letter.