Dry Compass

February 16th, 2011

Georg Agricola (1494–1555), Vom Bergwerck (Basel: Jeronymus Froben und Niclausen Bischoff, 1557), Zentralbibliothek Zürich, Alte Drucke und Rara, ZB Res 321, p. 31.

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Instruments (Holding a Globe)

February 16th, 2011

Peter Apian, Instrumentum Primi Mobilis (Nürnberg: Johann Petreius, 1533), Zentralbibliothek Zürich, Alte Drucke und Rara, RX 49, title.

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Dry Compass

February 16th, 2011

Georg Agricola (1494–1555), Vom Bergwerck (Basel: Jeronymus Froben und Niclausen Bischoff, 1557), Zentralbibliothek Zürich, Alte Drucke und Rara, ZB Res 321, Title.

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February 15th, 2011

Barbara Ellmerer

February 14th, 2011

Judith Albert

The Hidden Dimension of Dürer

February 14th, 2011

Albrecht Dürer, Etliche Underricht zu Befestigung der Stett, Schloss und Flecken, in: Opera (Arnhem; Johann Jansen, 1604), Zentralbibliothek Zürich, Alte Drucke und Rara, ZB XXII, Title.

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February 13th, 2011

February 12th, 2011

Barbara Ellmerer

Perpetual Motion Machine

February 12th, 2011

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February 10th, 2011

Barbara Ellmerer