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Image: Astroclock-stereographic

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Astroclock-stereographic.png(479 × 467 pixels, file size: 53 KB, MIME type: image/png)

Description: Original summary: "i drew this using Illustrator to illustrate the stereographic projection used by astronomical clocks. This projection is from the North pole, whereas on astrolabes they usually used the South pole".
Title: Astroclock-stereographic
Credit: en:Image:Astroclock-stereographic.png
Author: en:User:Cormullion.
Permission: CC.
Usage Terms: Creative Commons Attribution-Share Alike 2.5
License: CC BY-SA 2.5
License Link: http://creativecommons.org/licenses/by-sa/2.5
Attribution Required?: Yes

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