Re: Grand Canyon

[P. J. Alling]

If it's going to be clear, most acrylics scratch much too easily.  
Synthetic sapphire, yea that's the way to go, cast in one piece. 

Bob Shell wrote:


On Dec 16, 2005, at 2:35 AM, David Mann wrote:

Well, not after it breaks anyway.    Glass is very heavy and there  
doesn't seem to be much support for that bridge structure.



I doubt they'd use glass.  Lexan or some similar transparent acrylic  
is more likely.

Bob




--
When you're worried or in doubt, 
	Run in circles, (scream and shout).