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Old 07-23-2009, 01:44 AM is offline
Join Date: Mar 2003
Location: Minneapolis, MN
Posts: 13,819
Originally Posted by Whack-a-Mole View Post
I have seen a couple of cites stating that this ranch has the largest single pane of glass in North America. It measures 33'x10'.
I think we're back to optical telescopes as the largest, then.

The largest is 10.4 meters diameter, and there are several of 10 meters. That's quite a bit larger face area than these panes of glass. Even if we don't consider that they are thicker, and much more complicated than a simple sheet of window glass, they are still larger.