On Tue, 2016-04-05 at 22:10 +1000, Paul Brooks wrote: > this 'old glass flows/deforms and gets thicker at the > bottom' is an urban myth that has been debunked. The glass doesn't > flow, the thickness gradient is a byproduct of the pouring process, > and panes have been found that were installed > upside-down, with the thicker part still at the top.
I did not know that. Thank you. I did know about the cylinder and disk production methods, but never put two and two together properly. Regards, K. -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Karl Auer (ka...@biplane.com.au) http://www.biplane.com.au/kauer http://twitter.com/kauer389 GPG fingerprint: E00D 64ED 9C6A 8605 21E0 0ED0 EE64 2BEE CBCB C38B Old fingerprint: 3C41 82BE A9E7 99A1 B931 5AE7 7638 0147 2C3C 2AC4 _______________________________________________ Link mailing list Link@mailman.anu.edu.au http://mailman.anu.edu.au/mailman/listinfo/link
