Archived from: http://bhs.broo.k12.wv.us/homepage/alumni/dstevick/francis2.htm
New Tetra Telescope
Three of the four mirrors are visible within the main box. The fourth resides at the bottom of the hollow declination axis.
Author: David Stevick
[Weird Telescopes Page]
Curator:
Hartmut Frommert
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![[New Tetra Telescope, Internal]](internal.jpg)