March 12th, 2011
Barbara Ellmerer
Dividing a Magnetic Stone
March 12th, 2011
1591. Giambattista Porta, Magiae Naturalis Libri Viginti (Here: Johannis Berthelin: 1650), Zentralbibliothek Zürich, Alte Drucke und Rara, ZB Z 153, p. 288.
Measuring the World – Preparing for a shot
March 10th, 2011
Instruments for shaping the view and preparing for target setting. Sebastian Münster, Rudimenta mathematica (Basel: Henricus Petri, 1551), Zentralbibliothek Zürich, Alte Drucke und Rara, T 131, Title.
Measuring – Stars, Buildings, Cannonballs III
March 9th, 2011
How to relate the angle of a cannon to the height of the destination of the cannonball. Sebastian Münster, Rudimenta mathematica (Basel: Henricus Petri, 1551), Zentralbibliothek Zürich, Alte Drucke und Rara, T 131, p. 29.
Measuring – Stars, Buildings, Cannonballs II
March 9th, 2011
Measuring the height of a tower with a quadrant. Sebastian Münster, Rudimenta mathematica (Basel: Henricus Petri, 1551), Zentralbibliothek Zürich, Alte Drucke und Rara, T 131, p. 6.
Measuring – Stars, Buildings, Cannonballs I
March 9th, 2011
Quadrant. Sebastian Münster, Cosmographia (First edition Bale 1544, here: Basel: Henricus Petrus, 1550), Zentralbibliothek Zürich, Alte Drucke und Rara, K 98, p. 18.
Instrument for the Drawing of Wiggly Lines
March 8th, 2011
Albrecht Dürer, Unterweisung oder Underrichtung der Messung, in: Opera (Arnhem: Johann Jansen, 1604), Zentralbibliothek Zürich, Alte Drucke und Rara, ZB XXII, D. III.
