Sequencing glass plates

[Michael Finney]

In article <2co6d5$lfc at news.bu.edu>, pfoster at bu.edu (Patricia Foster) writes:
>
>: We use some made at the local glass shop. Work fine and much cheaper than from 
>: the supplier.
>
>: Brian Scrimshaw
>: Wellington
>: New Zealand
>
>-   I had some made locally once and the glass warped during
>the first run, totally distroying the sequence.  So should I
>have gotten a particular type of glass (i.e. plate?).
>pat

The best is soda-lime float glass.  Very flat, not very
expensive.  Standard window glass is often rolled glass.

Mike