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Old 01-13-2004, 08:33 AM
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Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
 
Join Date: Apr 2002
Location: Chocorua New Hampshire
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Pete VanderLaan is on a distinguished road
I think it's worth noting that we normally talk about a glass having a linear expansion of 90 or 96. What never gets thought about is that this is in ten thousandths and is only measured up to 300C. The fact is that the expansion keeps on going when you pass 300C as Richard has observed. It actually really adds up. I find a pot that is brimfull at 2350 will shrink about 3/4 of an inch being brought back to 2050F.
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