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In page Voynich manuscript:

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Baresch's letter bears some resemblance to a hoax that orientalist Andreas Müller once played on Athanasius Kircher. Müller sent some unintelligible text to Kircher with a note explaining that it had come from Egypt, and asking him for a translation. Kircher reportedly solved it. It has been speculated that these were both cryptographic tricks played on Kircher to make him look foolish.[citation needed]