The Newport Glass co. has plate glass blanks that a very reasonable.
8 inch @ 1 inch thick for $21.95
10 " " $52.50
14 " 1 1/2 " $119
18 " 1 1/2 " $195
All in US funds.
Curve generation ranges from $10 to $45 for the 18 incher.They also have
standard f/ ratios already generated for the sizes below 12 inch that cost
the same as the plano blanks.
Ric
Toronto