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Report a problem related to object: Demonstrationes Mathematicæ oder Untersuchung derer Mathematischen Warheit= und Unwarheiten; allwo von der Arithmetica Geometria Stereometria Mechanica Brenn-Spiegeln Fortification und Trigonometria gründlich gehandelt alles aus dem Fundament examiniret [...] durch Christian Scheßlern.