Archive for the 'Sphere' Category

Robin Watkins

Monday, May 27th, 2013

Alaskan field recordings 2009 _ Robin Watkins

Anode-globe _ fig259 _ Birkeland

Building 57 _ Cockatoo Island 2012 _ Robin Watkins

ELF/VLF excerpt _ Robin Watkins

Frontispiz

Wednesday, November 30th, 2011


A. A., Magnetologia curiosa, Zentralbibliothek Zürich, Alte Drucke und Rara, NP 1836, Frontispiz

A.A., Traitté de l’aiman : divisé en deux parties, la première contient les expériences & la seconde les raisons que l’on en peut rendre / par Mr. D (Amsterdam: Henry Wetstein, 1687) ETH Zürich, Alte Drucke , Rar 5054, Frontispiz

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Friday, November 18th, 2011

Descartes: RVS: Field of force (sphaera virtutis)

Thursday, October 13th, 2011

René Descartes  (1596-1650), Principia Philosophia (Amsterdam: Ludovicus Elzevirius, 1650), Zentralbibliothek Zürich, Alte Drucke und Rara, FF 91, p. 283 (more…)

A vortex (AYBM) with the sun (S) in the center. Materia in different forms tends to move away from the centre. One form of materia is spherical.

Wednesday, October 5th, 2011

René Descartes  ( 1596-1650), Principia Philosophia ( Amsterdam: Ludovicus Elzevirius, 1650), Zentralbibliothek Zürich, Alte Drucke und Rara, FF 91, p. 129

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Tuesday, October 4th, 2011

Friday, September 30th, 2011

Athanasius Kircher: Universal horoscope. By using a ship’s compass and a magnetic needle one could discover the time anywhere in the world *

Monday, September 12th, 2011

[ZB Magnet 3] Athanasius Kircher (1601-1680), Magnes sive De arte magnetica tripartium ( Köln: Iodocus Kalcoven, 1643), Zentralbibliothek Zürich, Alte Drucke und Rara, Z 113, fol. 284. (more…)

Thursday, July 7th, 2011

Barbara Ellmerer

Behind Cabeus’ Frontispice: The First Image of a Magnetic Field*

Monday, July 4th, 2011

Nicolaus Cabeus (1585-1650), Philosophia magnetica (Coloniae, 1629), , Zentralbibliothek Zürich, Alte Drucke und Rara, TZ 117: 1, p. 18 (* According to: Albert Kloss, Geschichte des Magnetismus (Berlin: vde, 1994)).

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