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Friday, November 22, 2013

[][][] Petrus Apianus - Astronomicum Caesareum - Ingolstadt, 1540 volvelle - medieval instrument consisting of a series of concentric rotating disks, used to compute the phases of the moon and its position in relation to that of the sun (via stthomas95-deactivated20110527)

The Moon's Phases
The Moon's Phases
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Michio Kaku: The Universe in a Nutshell
Michio Kaku: The Universe in a Nutshell
Click here to download
[][][] Petrus Apianus - Astronomicum Caesareum - Ingolstadt, 1540 volvelle - medieval instrument consisting of a series of concentric rotating disks, used to compute the phases of the moon and its position in relation to that of the sun (via stthomas95-deactivated20110527)
[][][] Petrus Apianus - Astronomicum Caesareum - Ingolstadt, 1540        volvelle - medieval instrument consisting of a series of concentric rotating disks, used to compute the phases of the moon and its position in relation to that of the sun    (via stthomas95-deactivated20110527)
Click here to download

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